1921000225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109303}}^1$

素因数の和:109369

約数の個数: 24

約数和(自身を含む): 2575202240

約数和(自身を除く): 654202015

約数列:

[1, 5, 19, 25, 37, 95, 185, 475, 703, 925, 3515, 17575, 109303, 546515, 2076757, 2732575, 4044211, 10383785, 20221055, 51918925, 76840009, 101105275, 384200045, 1921000225]

約数ペア:

[(1, 1921000225), (5, 384200045), (19, 101105275), (25, 76840009), (37, 51918925), (95, 20221055), (185, 10383785), (475, 4044211), (703, 2732575), (925, 2076757), (3515, 546515), (17575, 109303)]