19715709

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1051}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 29262432

約数和(自身を除く): 9546723

約数列:

[1, 3, 13, 37, 39, 111, 169, 481, 507, 1051, 1443, 3153, 6253, 13663, 18759, 38887, 40989, 116661, 177619, 505531, 532857, 1516593, 6571903, 19715709]

約数ペア:

[(1, 19715709), (3, 6571903), (13, 1516593), (37, 532857), (39, 505531), (111, 177619), (169, 116661), (481, 40989), (507, 38887), (1051, 18759), (1443, 13663), (3153, 6253)]