18041920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4337}}^1$

素因数の和:4367

約数の個数: 56

約数和(自身を含む): 46277784

約数和(自身を除く): 28235864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4337, 8674, 17348, 21685, 34696, 43370, 56381, 69392, 86740, 112762, 138784, 173480, 225524, 277568, 281905, 346960, 451048, 563810, 693920, 902096, 1127620, 1387840, 1804192, 2255240, 3608384, 4510480, 9020960, 18041920]

約数ペア:

[(1, 18041920), (2, 9020960), (4, 4510480), (5, 3608384), (8, 2255240), (10, 1804192), (13, 1387840), (16, 1127620), (20, 902096), (26, 693920), (32, 563810), (40, 451048), (52, 346960), (64, 281905), (65, 277568), (80, 225524), (104, 173480), (130, 138784), (160, 112762), (208, 86740), (260, 69392), (320, 56381), (416, 43370), (520, 34696), (832, 21685), (1040, 17348), (2080, 8674), (4160, 4337)]