18269810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{449}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 35607600

約数和(自身を除く): 17337790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 313, 449, 626, 898, 1565, 2245, 3130, 4069, 4490, 5837, 8138, 11674, 20345, 29185, 40690, 58370, 140537, 281074, 702685, 1405370, 1826981, 3653962, 9134905, 18269810]

約数ペア:

[(1, 18269810), (2, 9134905), (5, 3653962), (10, 1826981), (13, 1405370), (26, 702685), (65, 281074), (130, 140537), (313, 58370), (449, 40690), (626, 29185), (898, 20345), (1565, 11674), (2245, 8138), (3130, 5837), (4069, 4490)]