18505990

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{9689}}^1$

素因数の和:9887

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 14982650

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 9689, 19378, 48445, 96890, 1850599, 3701198, 9252995, 18505990]

約数ペア:

[(1, 18505990), (2, 9252995), (5, 3701198), (10, 1850599), (191, 96890), (382, 48445), (955, 19378), (1910, 9689)]