18941776

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3191}}^1$

素因数の和:3259

約数の個数: 40

約数和(自身を含む): 42747264

約数和(自身を除く): 23805488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3191, 5936, 6382, 12764, 22337, 25528, 44674, 51056, 89348, 169123, 178696, 338246, 357392, 676492, 1183861, 1352984, 2367722, 2705968, 4735444, 9470888, 18941776]

約数ペア:

[(1, 18941776), (2, 9470888), (4, 4735444), (7, 2705968), (8, 2367722), (14, 1352984), (16, 1183861), (28, 676492), (53, 357392), (56, 338246), (106, 178696), (112, 169123), (212, 89348), (371, 51056), (424, 44674), (742, 25528), (848, 22337), (1484, 12764), (2968, 6382), (3191, 5936)]