18678638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{8243}}^1$

素因数の和:8359

約数の個数: 16

約数和(自身を含む): 30865536

約数和(自身を除く): 12186898

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 8243, 16486, 90673, 181346, 849029, 1698058, 9339319, 18678638]

約数ペア:

[(1, 18678638), (2, 9339319), (11, 1698058), (22, 849029), (103, 181346), (206, 90673), (1133, 16486), (2266, 8243)]