18175438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{7841}}^1$

素因数の和:7923

約数の個数: 16

約数和(自身を含む): 29172240

約数和(自身を除く): 10996802

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 7841, 15682, 148979, 297958, 478301, 956602, 9087719, 18175438]

約数ペア:

[(1, 18175438), (2, 9087719), (19, 956602), (38, 478301), (61, 297958), (122, 148979), (1159, 15682), (2318, 7841)]