18974518

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{401}}^2$

素因数の和:863

約数の個数: 12

約数和(自身を含む): 29016540

約数和(自身を除く): 10042022

約数列:

[1, 2, 59, 118, 401, 802, 23659, 47318, 160801, 321602, 9487259, 18974518]

約数ペア:

[(1, 18974518), (2, 9487259), (59, 321602), (118, 160801), (401, 47318), (802, 23659)]