19913400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 288

約数和(自身を含む): 77182560

約数和(自身を除く): 57269160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 23, 24, 25, 26, 30, 36, 37, 39, 40, 45, 46, 50, 52, 60, 65, 69, 72, 74, 75, 78, 90, 92, 100, 104, 111, 115, 117, 120, 130, 138, 148, 150, 156, 180, 184, 185, 195, 200, 207, 222, 225, 230, 234, 260, 276, 296, 299, 300, 312, 325, 333, 345, 360, 370, 390, 414, 444, 450, 460, 468, 481, 520, 552, 555, 575, 585, 598, 600, 650, 666, 690, 740, 780, 828, 851, 888, 897, 900, 920, 925, 936, 962, 975, 1035, 1110, 1150, 1170, 1196, 1300, 1332, 1380, 1443, 1480, 1495, 1560, 1656, 1665, 1702, 1725, 1794, 1800, 1850, 1924, 1950, 2070, 2220, 2300, 2340, 2392, 2405, 2553, 2600, 2664, 2691, 2760, 2775, 2886, 2925, 2990, 3330, 3404, 3450, 3588, 3700, 3848, 3900, 4140, 4255, 4329, 4440, 4485, 4600, 4680, 4810, 5106, 5175, 5382, 5550, 5772, 5850, 5980, 6660, 6808, 6900, 7176, 7215, 7400, 7475, 7659, 7800, 8280, 8325, 8510, 8658, 8970, 9620, 10212, 10350, 10764, 11063, 11100, 11544, 11700, 11960, 12025, 12765, 13320, 13455, 13800, 14430, 14950, 15318, 16650, 17020, 17316, 17940, 19240, 20424, 20700, 21275, 21528, 21645, 22126, 22200, 22425, 23400, 24050, 25530, 26910, 28860, 29900, 30636, 33189, 33300, 34040, 34632, 35880, 36075, 38295, 41400, 42550, 43290, 44252, 44850, 48100, 51060, 53820, 55315, 57720, 59800, 61272, 63825, 66378, 66600, 67275, 72150, 76590, 85100, 86580, 88504, 89700, 96200, 99567, 102120, 107640, 108225, 110630, 127650, 132756, 134550, 144300, 153180, 165945, 170200, 173160, 179400, 191475, 199134, 216450, 221260, 255300, 265512, 269100, 276575, 288600, 306360, 331890, 382950, 398268, 432900, 442520, 497835, 510600, 538200, 553150, 663780, 765900, 796536, 829725, 865800, 995670, 1106300, 1327560, 1531800, 1659450, 1991340, 2212600, 2489175, 3318900, 3982680, 4978350, 6637800, 9956700, 19913400]

約数ペア:

[(1, 19913400), (2, 9956700), (3, 6637800), (4, 4978350), (5, 3982680), (6, 3318900), (8, 2489175), (9, 2212600), (10, 1991340), (12, 1659450), (13, 1531800), (15, 1327560), (18, 1106300), (20, 995670), (23, 865800), (24, 829725), (25, 796536), (26, 765900), (30, 663780), (36, 553150), (37, 538200), (39, 510600), (40, 497835), (45, 442520), (46, 432900), (50, 398268), (52, 382950), (60, 331890), (65, 306360), (69, 288600), (72, 276575), (74, 269100), (75, 265512), (78, 255300), (90, 221260), (92, 216450), (100, 199134), (104, 191475), (111, 179400), (115, 173160), (117, 170200), (120, 165945), (130, 153180), (138, 144300), (148, 134550), (150, 132756), (156, 127650), (180, 110630), (184, 108225), (185, 107640), (195, 102120), (200, 99567), (207, 96200), (222, 89700), (225, 88504), (230, 86580), (234, 85100), (260, 76590), (276, 72150), (296, 67275), (299, 66600), (300, 66378), (312, 63825), (325, 61272), (333, 59800), (345, 57720), (360, 55315), (370, 53820), (390, 51060), (414, 48100), (444, 44850), (450, 44252), (460, 43290), (468, 42550), (481, 41400), (520, 38295), (552, 36075), (555, 35880), (575, 34632), (585, 34040), (598, 33300), (600, 33189), (650, 30636), (666, 29900), (690, 28860), (740, 26910), (780, 25530), (828, 24050), (851, 23400), (888, 22425), (897, 22200), (900, 22126), (920, 21645), (925, 21528), (936, 21275), (962, 20700), (975, 20424), (1035, 19240), (1110, 17940), (1150, 17316), (1170, 17020), (1196, 16650), (1300, 15318), (1332, 14950), (1380, 14430), (1443, 13800), (1480, 13455), (1495, 13320), (1560, 12765), (1656, 12025), (1665, 11960), (1702, 11700), (1725, 11544), (1794, 11100), (1800, 11063), (1850, 10764), (1924, 10350), (1950, 10212), (2070, 9620), (2220, 8970), (2300, 8658), (2340, 8510), (2392, 8325), (2405, 8280), (2553, 7800), (2600, 7659), (2664, 7475), (2691, 7400), (2760, 7215), (2775, 7176), (2886, 6900), (2925, 6808), (2990, 6660), (3330, 5980), (3404, 5850), (3450, 5772), (3588, 5550), (3700, 5382), (3848, 5175), (3900, 5106), (4140, 4810), (4255, 4680), (4329, 4600), (4440, 4485)]