18355887

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2347}}^1$

素因数の和:2443

約数の個数: 24

約数和(自身を含む): 29303040

約数和(自身を除く): 10947153

約数列:

[1, 3, 9, 11, 33, 79, 99, 237, 711, 869, 2347, 2607, 7041, 7821, 21123, 25817, 77451, 185413, 232353, 556239, 1668717, 2039543, 6118629, 18355887]

約数ペア:

[(1, 18355887), (3, 6118629), (9, 2039543), (11, 1668717), (33, 556239), (79, 232353), (99, 185413), (237, 77451), (711, 25817), (869, 21123), (2347, 7821), (2607, 7041)]