19572215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4241}}^1$

素因数の和:4330

約数の個数: 16

約数和(自身を含む): 25655616

約数和(自身を除く): 6083401

約数列:

[1, 5, 13, 65, 71, 355, 923, 4241, 4615, 21205, 55133, 275665, 301111, 1505555, 3914443, 19572215]

約数ペア:

[(1, 19572215), (5, 3914443), (13, 1505555), (65, 301111), (71, 275665), (355, 55133), (923, 21205), (4241, 4615)]