19626628

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11491}}^1$

素因数の和:11563

約数の個数: 24

約数和(自身を含む): 39900224

約数和(自身を除く): 20273596

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11491, 22982, 45964, 80437, 160874, 321748, 700951, 1401902, 2803804, 4906657, 9813314, 19626628]

約数ペア:

[(1, 19626628), (2, 9813314), (4, 4906657), (7, 2803804), (14, 1401902), (28, 700951), (61, 321748), (122, 160874), (244, 80437), (427, 45964), (854, 22982), (1708, 11491)]