19245291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13337}}^1$

素因数の和:13390

約数の個数: 16

約数和(自身を含む): 28383264

約数和(自身を除く): 9137973

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 13337, 40011, 173381, 493469, 520143, 1480407, 6415097, 19245291]

約数ペア:

[(1, 19245291), (3, 6415097), (13, 1480407), (37, 520143), (39, 493469), (111, 173381), (481, 40011), (1443, 13337)]