18471436

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{911}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 33477696

約数和(自身を除く): 15006260

約数列:

[1, 2, 4, 37, 74, 137, 148, 274, 548, 911, 1822, 3644, 5069, 10138, 20276, 33707, 67414, 124807, 134828, 249614, 499228, 4617859, 9235718, 18471436]

約数ペア:

[(1, 18471436), (2, 9235718), (4, 4617859), (37, 499228), (74, 249614), (137, 134828), (148, 124807), (274, 67414), (548, 33707), (911, 20276), (1822, 10138), (3644, 5069)]