18787630

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4241}}^1$

素因数の和:4691

約数の個数: 16

約数和(自身を含む): 33902064

約数和(自身を除く): 15114434

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4241, 4430, 8482, 21205, 42410, 1878763, 3757526, 9393815, 18787630]

約数ペア:

[(1, 18787630), (2, 9393815), (5, 3757526), (10, 1878763), (443, 42410), (886, 21205), (2215, 8482), (4241, 4430)]