19871154

素因数分解:

$2^1\times 3^2\times {\mathrm{401}}^1\times {\mathrm{2753}}^1$

素因数の和:3162

約数の個数: 24

約数和(自身を含む): 43177212

約数和(自身を除く): 23306058

約数列:

[1, 2, 3, 6, 9, 18, 401, 802, 1203, 2406, 2753, 3609, 5506, 7218, 8259, 16518, 24777, 49554, 1103953, 2207906, 3311859, 6623718, 9935577, 19871154]

約数ペア:

[(1, 19871154), (2, 9935577), (3, 6623718), (6, 3311859), (9, 2207906), (18, 1103953), (401, 49554), (802, 24777), (1203, 16518), (2406, 8259), (2753, 7218), (3609, 5506)]