19529225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 25331712

約数和(自身を除く): 5802487

約数列:

[1, 5, 25, 31, 113, 155, 223, 565, 775, 1115, 2825, 3503, 5575, 6913, 17515, 25199, 34565, 87575, 125995, 172825, 629975, 781169, 3905845, 19529225]

約数ペア:

[(1, 19529225), (5, 3905845), (25, 781169), (31, 629975), (113, 172825), (155, 125995), (223, 87575), (565, 34565), (775, 25199), (1115, 17515), (2825, 6913), (3503, 5575)]