19878564

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53437}}^1$

素因数の和:53475

約数の個数: 24

約数和(自身を含む): 47880448

約数和(自身を除く): 28001884

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 53437, 106874, 160311, 213748, 320622, 641244, 1656547, 3313094, 4969641, 6626188, 9939282, 19878564]

約数ペア:

[(1, 19878564), (2, 9939282), (3, 6626188), (4, 4969641), (6, 3313094), (12, 1656547), (31, 641244), (62, 320622), (93, 213748), (124, 160311), (186, 106874), (372, 53437)]