19807564

素因数分解:

$2^2\times 7^3\times {\mathrm{14437}}^1$

素因数の和:14462

約数の個数: 24

約数和(自身を含む): 40426400

約数和(自身を除く): 20618836

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 14437, 28874, 57748, 101059, 202118, 404236, 707413, 1414826, 2829652, 4951891, 9903782, 19807564]

約数ペア:

[(1, 19807564), (2, 9903782), (4, 4951891), (7, 2829652), (14, 1414826), (28, 707413), (49, 404236), (98, 202118), (196, 101059), (343, 57748), (686, 28874), (1372, 14437)]