19645080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:298

約数の個数: 192

約数和(自身を含む): 74118240

約数和(自身を除く): 54473160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 257, 260, 273, 280, 294, 312, 364, 390, 392, 420, 455, 490, 514, 520, 546, 588, 637, 728, 735, 771, 780, 840, 910, 980, 1028, 1092, 1176, 1274, 1285, 1365, 1470, 1542, 1560, 1799, 1820, 1911, 1960, 2056, 2184, 2548, 2570, 2730, 2940, 3084, 3185, 3341, 3598, 3640, 3822, 3855, 5096, 5140, 5397, 5460, 5880, 6168, 6370, 6682, 7196, 7644, 7710, 8995, 9555, 10023, 10280, 10794, 10920, 12593, 12740, 13364, 14392, 15288, 15420, 16705, 17990, 19110, 20046, 21588, 23387, 25186, 25480, 26728, 26985, 30840, 33410, 35980, 37779, 38220, 40092, 43176, 46774, 50115, 50372, 53970, 62965, 66820, 70161, 71960, 75558, 76440, 80184, 93548, 100230, 100744, 107940, 116935, 125930, 133640, 140322, 151116, 163709, 187096, 188895, 200460, 215880, 233870, 251860, 280644, 302232, 327418, 350805, 377790, 400920, 467740, 491127, 503720, 561288, 654836, 701610, 755580, 818545, 935480, 982254, 1309672, 1403220, 1511160, 1637090, 1964508, 2455635, 2806440, 3274180, 3929016, 4911270, 6548360, 9822540, 19645080]

約数ペア:

[(1, 19645080), (2, 9822540), (3, 6548360), (4, 4911270), (5, 3929016), (6, 3274180), (7, 2806440), (8, 2455635), (10, 1964508), (12, 1637090), (13, 1511160), (14, 1403220), (15, 1309672), (20, 982254), (21, 935480), (24, 818545), (26, 755580), (28, 701610), (30, 654836), (35, 561288), (39, 503720), (40, 491127), (42, 467740), (49, 400920), (52, 377790), (56, 350805), (60, 327418), (65, 302232), (70, 280644), (78, 251860), (84, 233870), (91, 215880), (98, 200460), (104, 188895), (105, 187096), (120, 163709), (130, 151116), (140, 140322), (147, 133640), (156, 125930), (168, 116935), (182, 107940), (195, 100744), (196, 100230), (210, 93548), (245, 80184), (257, 76440), (260, 75558), (273, 71960), (280, 70161), (294, 66820), (312, 62965), (364, 53970), (390, 50372), (392, 50115), (420, 46774), (455, 43176), (490, 40092), (514, 38220), (520, 37779), (546, 35980), (588, 33410), (637, 30840), (728, 26985), (735, 26728), (771, 25480), (780, 25186), (840, 23387), (910, 21588), (980, 20046), (1028, 19110), (1092, 17990), (1176, 16705), (1274, 15420), (1285, 15288), (1365, 14392), (1470, 13364), (1542, 12740), (1560, 12593), (1799, 10920), (1820, 10794), (1911, 10280), (1960, 10023), (2056, 9555), (2184, 8995), (2548, 7710), (2570, 7644), (2730, 7196), (2940, 6682), (3084, 6370), (3185, 6168), (3341, 5880), (3598, 5460), (3640, 5397), (3822, 5140), (3855, 5096)]