18489710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1783}}^1$

素因数の和:1868

約数の個数: 32

約数和(自身を含む): 35836992

約数和(自身を除く): 17347282

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 1783, 2074, 3566, 5185, 8915, 10370, 17830, 30311, 60622, 108763, 151555, 217526, 303110, 543815, 1087630, 1848971, 3697942, 9244855, 18489710]

約数ペア:

[(1, 18489710), (2, 9244855), (5, 3697942), (10, 1848971), (17, 1087630), (34, 543815), (61, 303110), (85, 217526), (122, 151555), (170, 108763), (305, 60622), (610, 30311), (1037, 17830), (1783, 10370), (2074, 8915), (3566, 5185)]