18521078

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1711

約数の個数: 16

約数和(自身を含む): 28531440

約数和(自身を除く): 10010362

約数列:

[1, 2, 67, 89, 134, 178, 1553, 3106, 5963, 11926, 104051, 138217, 208102, 276434, 9260539, 18521078]

約数ペア:

[(1, 18521078), (2, 9260539), (67, 276434), (89, 208102), (134, 138217), (178, 104051), (1553, 11926), (3106, 5963)]