18831790

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6949}}^1$

素因数の和:7227

約数の個数: 16

約数和(自身を含む): 34027200

約数和(自身を除く): 15195410

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 6949, 13898, 34745, 69490, 1883179, 3766358, 9415895, 18831790]

約数ペア:

[(1, 18831790), (2, 9415895), (5, 3766358), (10, 1883179), (271, 69490), (542, 34745), (1355, 13898), (2710, 6949)]