19400040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 256

約数和(自身を含む): 74649600

約数和(自身を除く): 55249560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 27, 30, 33, 36, 40, 44, 45, 46, 54, 55, 60, 66, 69, 71, 72, 88, 90, 92, 99, 108, 110, 115, 120, 132, 135, 138, 142, 165, 180, 184, 198, 207, 213, 216, 220, 230, 253, 264, 270, 276, 284, 297, 330, 345, 355, 360, 396, 414, 426, 440, 460, 495, 506, 540, 552, 568, 594, 621, 639, 660, 690, 710, 759, 781, 792, 828, 852, 920, 990, 1012, 1035, 1065, 1080, 1188, 1242, 1265, 1278, 1320, 1380, 1420, 1485, 1518, 1562, 1633, 1656, 1704, 1917, 1980, 2024, 2070, 2130, 2277, 2343, 2376, 2484, 2530, 2556, 2760, 2840, 2970, 3036, 3105, 3124, 3195, 3266, 3795, 3834, 3905, 3960, 4140, 4260, 4554, 4686, 4899, 4968, 5060, 5112, 5940, 6072, 6210, 6248, 6390, 6532, 6831, 7029, 7590, 7668, 7810, 8165, 8280, 8520, 9108, 9372, 9585, 9798, 10120, 11385, 11715, 11880, 12420, 12780, 13064, 13662, 14058, 14697, 15180, 15336, 15620, 16330, 17963, 18216, 18744, 19170, 19596, 21087, 22770, 23430, 24495, 24840, 25560, 27324, 28116, 29394, 30360, 31240, 32660, 34155, 35145, 35926, 38340, 39192, 42174, 44091, 45540, 46860, 48990, 53889, 54648, 56232, 58788, 65320, 68310, 70290, 71852, 73485, 76680, 84348, 88182, 89815, 91080, 93720, 97980, 105435, 107778, 117576, 136620, 140580, 143704, 146970, 161667, 168696, 176364, 179630, 195960, 210870, 215556, 220455, 269445, 273240, 281160, 293940, 323334, 352728, 359260, 421740, 431112, 440910, 485001, 538890, 587880, 646668, 718520, 808335, 843480, 881820, 970002, 1077780, 1293336, 1616670, 1763640, 1940004, 2155560, 2425005, 3233340, 3880008, 4850010, 6466680, 9700020, 19400040]

約数ペア:

[(1, 19400040), (2, 9700020), (3, 6466680), (4, 4850010), (5, 3880008), (6, 3233340), (8, 2425005), (9, 2155560), (10, 1940004), (11, 1763640), (12, 1616670), (15, 1293336), (18, 1077780), (20, 970002), (22, 881820), (23, 843480), (24, 808335), (27, 718520), (30, 646668), (33, 587880), (36, 538890), (40, 485001), (44, 440910), (45, 431112), (46, 421740), (54, 359260), (55, 352728), (60, 323334), (66, 293940), (69, 281160), (71, 273240), (72, 269445), (88, 220455), (90, 215556), (92, 210870), (99, 195960), (108, 179630), (110, 176364), (115, 168696), (120, 161667), (132, 146970), (135, 143704), (138, 140580), (142, 136620), (165, 117576), (180, 107778), (184, 105435), (198, 97980), (207, 93720), (213, 91080), (216, 89815), (220, 88182), (230, 84348), (253, 76680), (264, 73485), (270, 71852), (276, 70290), (284, 68310), (297, 65320), (330, 58788), (345, 56232), (355, 54648), (360, 53889), (396, 48990), (414, 46860), (426, 45540), (440, 44091), (460, 42174), (495, 39192), (506, 38340), (540, 35926), (552, 35145), (568, 34155), (594, 32660), (621, 31240), (639, 30360), (660, 29394), (690, 28116), (710, 27324), (759, 25560), (781, 24840), (792, 24495), (828, 23430), (852, 22770), (920, 21087), (990, 19596), (1012, 19170), (1035, 18744), (1065, 18216), (1080, 17963), (1188, 16330), (1242, 15620), (1265, 15336), (1278, 15180), (1320, 14697), (1380, 14058), (1420, 13662), (1485, 13064), (1518, 12780), (1562, 12420), (1633, 11880), (1656, 11715), (1704, 11385), (1917, 10120), (1980, 9798), (2024, 9585), (2070, 9372), (2130, 9108), (2277, 8520), (2343, 8280), (2376, 8165), (2484, 7810), (2530, 7668), (2556, 7590), (2760, 7029), (2840, 6831), (2970, 6532), (3036, 6390), (3105, 6248), (3124, 6210), (3195, 6072), (3266, 5940), (3795, 5112), (3834, 5060), (3905, 4968), (3960, 4899), (4140, 4686), (4260, 4554)]