22391990

素因数分解:

$2^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{4139}}^1$

素因数の和:4687

約数の個数: 16

約数和(自身を含む): 40389840

約数和(自身を除く): 17997850

約数列:

[1, 2, 5, 10, 541, 1082, 2705, 4139, 5410, 8278, 20695, 41390, 2239199, 4478398, 11195995, 22391990]

約数ペア:

[(1, 22391990), (2, 11195995), (5, 4478398), (10, 2239199), (541, 41390), (1082, 20695), (2705, 8278), (4139, 5410)]