18406670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 16429810

約数列:

[1, 2, 5, 10, 23, 46, 115, 191, 230, 382, 419, 838, 955, 1910, 2095, 4190, 4393, 8786, 9637, 19274, 21965, 43930, 48185, 80029, 96370, 160058, 400145, 800290, 1840667, 3681334, 9203335, 18406670]

約数ペア:

[(1, 18406670), (2, 9203335), (5, 3681334), (10, 1840667), (23, 800290), (46, 400145), (115, 160058), (191, 96370), (230, 80029), (382, 48185), (419, 43930), (838, 21965), (955, 19274), (1910, 9637), (2095, 8786), (4190, 4393)]