22390990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{72229}}^1$

素因数の和:72267

約数の個数: 16

約数和(自身を含む): 41604480

約数和(自身を除く): 19213490

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 72229, 144458, 361145, 722290, 2239099, 4478198, 11195495, 22390990]

約数ペア:

[(1, 22390990), (2, 11195495), (5, 4478198), (10, 2239099), (31, 722290), (62, 361145), (155, 144458), (310, 72229)]