19201615

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:962

約数の個数: 16

約数和(自身を含む): 23794560

約数和(自身を除く): 4592945

約数列:

[1, 5, 47, 101, 235, 505, 809, 4045, 4747, 23735, 38023, 81709, 190115, 408545, 3840323, 19201615]

約数ペア:

[(1, 19201615), (5, 3840323), (47, 408545), (101, 190115), (235, 81709), (505, 38023), (809, 23735), (4045, 4747)]