18409920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:298

約数の個数: 112

約数和(自身を含む): 59301888

約数和(自身を除く): 40891968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 151, 160, 192, 240, 254, 302, 320, 381, 453, 480, 508, 604, 635, 755, 762, 906, 960, 1016, 1208, 1270, 1510, 1524, 1812, 1905, 2032, 2265, 2416, 2540, 3020, 3048, 3624, 3810, 4064, 4530, 4832, 5080, 6040, 6096, 7248, 7620, 8128, 9060, 9664, 10160, 12080, 12192, 14496, 15240, 18120, 19177, 20320, 24160, 24384, 28992, 30480, 36240, 38354, 40640, 48320, 57531, 60960, 72480, 76708, 95885, 115062, 121920, 144960, 153416, 191770, 230124, 287655, 306832, 383540, 460248, 575310, 613664, 767080, 920496, 1150620, 1227328, 1534160, 1840992, 2301240, 3068320, 3681984, 4602480, 6136640, 9204960, 18409920]

約数ペア:

[(1, 18409920), (2, 9204960), (3, 6136640), (4, 4602480), (5, 3681984), (6, 3068320), (8, 2301240), (10, 1840992), (12, 1534160), (15, 1227328), (16, 1150620), (20, 920496), (24, 767080), (30, 613664), (32, 575310), (40, 460248), (48, 383540), (60, 306832), (64, 287655), (80, 230124), (96, 191770), (120, 153416), (127, 144960), (151, 121920), (160, 115062), (192, 95885), (240, 76708), (254, 72480), (302, 60960), (320, 57531), (381, 48320), (453, 40640), (480, 38354), (508, 36240), (604, 30480), (635, 28992), (755, 24384), (762, 24160), (906, 20320), (960, 19177), (1016, 18120), (1208, 15240), (1270, 14496), (1510, 12192), (1524, 12080), (1812, 10160), (1905, 9664), (2032, 9060), (2265, 8128), (2416, 7620), (2540, 7248), (3020, 6096), (3048, 6040), (3624, 5080), (3810, 4832), (4064, 4530)]