17891924

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{43427}}^1$

素因数の和:43534

約数の個数: 12

約数和(自身を含む): 31615584

約数和(自身を除く): 13723660

約数列:

[1, 2, 4, 103, 206, 412, 43427, 86854, 173708, 4472981, 8945962, 17891924]

約数ペア:

[(1, 17891924), (2, 8945962), (4, 4472981), (103, 173708), (206, 86854), (412, 43427)]