18831490

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 16212350

約数列:

[1, 2, 5, 10, 47, 94, 103, 206, 235, 389, 470, 515, 778, 1030, 1945, 3890, 4841, 9682, 18283, 24205, 36566, 40067, 48410, 80134, 91415, 182830, 200335, 400670, 1883149, 3766298, 9415745, 18831490]

約数ペア:

[(1, 18831490), (2, 9415745), (5, 3766298), (10, 1883149), (47, 400670), (94, 200335), (103, 182830), (206, 91415), (235, 80134), (389, 48410), (470, 40067), (515, 36566), (778, 24205), (1030, 18283), (1945, 9682), (3890, 4841)]