17986804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{971}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 34455456

約数和(自身を除く): 16468652

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 971, 1684, 1942, 3884, 4631, 9262, 10681, 18524, 21362, 42724, 408791, 817582, 1635164, 4496701, 8993402, 17986804]

約数ペア:

[(1, 17986804), (2, 8993402), (4, 4496701), (11, 1635164), (22, 817582), (44, 408791), (421, 42724), (842, 21362), (971, 18524), (1684, 10681), (1942, 9262), (3884, 4631)]