19678191

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1049}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 29206800

約数和(自身を除く): 9528609

約数列:

[1, 3, 13, 37, 39, 111, 169, 481, 507, 1049, 1443, 3147, 6253, 13637, 18759, 38813, 40911, 116439, 177281, 504569, 531843, 1513707, 6559397, 19678191]

約数ペア:

[(1, 19678191), (3, 6559397), (13, 1513707), (37, 531843), (39, 504569), (111, 177281), (169, 116439), (481, 40911), (507, 38813), (1049, 18759), (1443, 13637), (3147, 6253)]