19536580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139547}}^1$

素因数の和:139563

約数の個数: 24

約数和(自身を含む): 46888128

約数和(自身を除く): 27351548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139547, 279094, 558188, 697735, 976829, 1395470, 1953658, 2790940, 3907316, 4884145, 9768290, 19536580]

約数ペア:

[(1, 19536580), (2, 9768290), (4, 4884145), (5, 3907316), (7, 2790940), (10, 1953658), (14, 1395470), (20, 976829), (28, 697735), (35, 558188), (70, 279094), (140, 139547)]