19965998

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{3109}}^1$

素因数の和:3156

約数の個数: 24

約数和(自身を含む): 34147800

約数和(自身を除く): 14181802

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 338, 494, 3109, 3211, 6218, 6422, 40417, 59071, 80834, 118142, 525421, 767923, 1050842, 1535846, 9982999, 19965998]

約数ペア:

[(1, 19965998), (2, 9982999), (13, 1535846), (19, 1050842), (26, 767923), (38, 525421), (169, 118142), (247, 80834), (338, 59071), (494, 40417), (3109, 6422), (3211, 6218)]