19259825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3119}}^1$

素因数の和:3161

約数の個数: 24

約数和(自身を含む): 27081600

約数和(自身を除く): 7821775

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 3119, 6175, 15595, 40547, 59261, 77975, 202735, 296305, 770393, 1013675, 1481525, 3851965, 19259825]

約数ペア:

[(1, 19259825), (5, 3851965), (13, 1481525), (19, 1013675), (25, 770393), (65, 296305), (95, 202735), (247, 77975), (325, 59261), (475, 40547), (1235, 15595), (3119, 6175)]