19493877

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9431}}^1$

素因数の和:9500

約数の個数: 16

約数和(自身を含む): 28522368

約数和(自身を除く): 9028491

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9431, 28293, 122603, 367809, 499843, 1499529, 6497959, 19493877]

約数ペア:

[(1, 19493877), (3, 6497959), (13, 1499529), (39, 499843), (53, 367809), (159, 122603), (689, 28293), (2067, 9431)]