19958973

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{401}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 27323136

約数和(自身を除く): 7364163

約数列:

[1, 3, 47, 141, 353, 401, 1059, 1203, 16591, 18847, 49773, 56541, 141553, 424659, 6652991, 19958973]

約数ペア:

[(1, 19958973), (3, 6652991), (47, 424659), (141, 141553), (353, 56541), (401, 49773), (1059, 18847), (1203, 16591)]