18154760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34913}}^1$

素因数の和:34937

約数の個数: 32

約数和(自身を含む): 43991640

約数和(自身を除く): 25836880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34913, 69826, 139652, 174565, 279304, 349130, 453869, 698260, 907738, 1396520, 1815476, 2269345, 3630952, 4538690, 9077380, 18154760]

約数ペア:

[(1, 18154760), (2, 9077380), (4, 4538690), (5, 3630952), (8, 2269345), (10, 1815476), (13, 1396520), (20, 907738), (26, 698260), (40, 453869), (52, 349130), (65, 279304), (104, 174565), (130, 139652), (260, 69826), (520, 34913)]