18868518

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{4423}}^1$

素因数の和:4513

約数の個数: 32

約数和(自身を含む): 42470400

約数和(自身を除く): 23601882

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 2133, 4266, 4423, 8846, 13269, 26538, 39807, 79614, 119421, 238842, 349417, 698834, 1048251, 2096502, 3144753, 6289506, 9434259, 18868518]

約数ペア:

[(1, 18868518), (2, 9434259), (3, 6289506), (6, 3144753), (9, 2096502), (18, 1048251), (27, 698834), (54, 349417), (79, 238842), (158, 119421), (237, 79614), (474, 39807), (711, 26538), (1422, 13269), (2133, 8846), (4266, 4423)]