18861633

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4339}}^1$

素因数の和:4378

約数の個数: 32

約数和(自身を含む): 33331200

約数和(自身を除く): 14469567

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4339, 4347, 13017, 30373, 39051, 91119, 99797, 117153, 273357, 299391, 698579, 820071, 898173, 2095737, 2694519, 6287211, 18861633]

約数ペア:

[(1, 18861633), (3, 6287211), (7, 2694519), (9, 2095737), (21, 898173), (23, 820071), (27, 698579), (63, 299391), (69, 273357), (161, 117153), (189, 99797), (207, 91119), (483, 39051), (621, 30373), (1449, 13017), (4339, 4347)]