18041947

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:232

約数の個数: 36

約数和(自身を含む): 24562440

約数和(自身を除く): 6520493

約数列:

[1, 7, 11, 17, 49, 77, 119, 121, 179, 187, 539, 833, 847, 1253, 1309, 1969, 2057, 3043, 5929, 8771, 9163, 13783, 14399, 21301, 21659, 33473, 96481, 100793, 149107, 151613, 234311, 368203, 1061291, 1640177, 2577421, 18041947]

約数ペア:

[(1, 18041947), (7, 2577421), (11, 1640177), (17, 1061291), (49, 368203), (77, 234311), (119, 151613), (121, 149107), (179, 100793), (187, 96481), (539, 33473), (833, 21659), (847, 21301), (1253, 14399), (1309, 13783), (1969, 9163), (2057, 8771), (3043, 5929)]