18989035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{751}}^1$

素因数の和:1158

約数の個数: 16

約数和(自身を含む): 24635520

約数和(自身を除く): 5646485

約数列:

[1, 5, 13, 65, 389, 751, 1945, 3755, 5057, 9763, 25285, 48815, 292139, 1460695, 3797807, 18989035]

約数ペア:

[(1, 18989035), (5, 3797807), (13, 1460695), (65, 292139), (389, 48815), (751, 25285), (1945, 9763), (3755, 5057)]