18495724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{887}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 34983648

約数和(自身を除く): 16487924

約数列:

[1, 2, 4, 13, 26, 52, 401, 802, 887, 1604, 1774, 3548, 5213, 10426, 11531, 20852, 23062, 46124, 355687, 711374, 1422748, 4623931, 9247862, 18495724]

約数ペア:

[(1, 18495724), (2, 9247862), (4, 4623931), (13, 1422748), (26, 711374), (52, 355687), (401, 46124), (802, 23062), (887, 20852), (1604, 11531), (1774, 10426), (3548, 5213)]