19796825

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 25498368

約数和(自身を除く): 5701543

約数列:

[1, 5, 25, 53, 67, 223, 265, 335, 1115, 1325, 1675, 3551, 5575, 11819, 14941, 17755, 59095, 74705, 88775, 295475, 373525, 791873, 3959365, 19796825]

約数ペア:

[(1, 19796825), (5, 3959365), (25, 791873), (53, 373525), (67, 295475), (223, 88775), (265, 74705), (335, 59095), (1115, 17755), (1325, 14941), (1675, 11819), (3551, 5575)]