18382490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{839}}^1$

素因数の和:1166

約数の個数: 32

約数和(自身を含む): 37981440

約数和(自身を除く): 19598950

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313, 626, 839, 1565, 1678, 2191, 3130, 4195, 4382, 5873, 8390, 10955, 11746, 21910, 29365, 58730, 262607, 525214, 1313035, 1838249, 2626070, 3676498, 9191245, 18382490]

約数ペア:

[(1, 18382490), (2, 9191245), (5, 3676498), (7, 2626070), (10, 1838249), (14, 1313035), (35, 525214), (70, 262607), (313, 58730), (626, 29365), (839, 21910), (1565, 11746), (1678, 10955), (2191, 8390), (3130, 5873), (4195, 4382)]