18150740

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2333}}^1$

素因数の和:2731

約数の個数: 24

約数和(自身を含む): 38230920

約数和(自身を除く): 20080180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 2333, 3890, 4666, 7780, 9332, 11665, 23330, 46660, 907537, 1815074, 3630148, 4537685, 9075370, 18150740]

約数ペア:

[(1, 18150740), (2, 9075370), (4, 4537685), (5, 3630148), (10, 1815074), (20, 907537), (389, 46660), (778, 23330), (1556, 11665), (1945, 9332), (2333, 7780), (3890, 4666)]