18216668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{853}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 33715920

約数和(自身を除く): 15499252

約数列:

[1, 2, 4, 19, 38, 76, 281, 562, 853, 1124, 1706, 3412, 5339, 10678, 16207, 21356, 32414, 64828, 239693, 479386, 958772, 4554167, 9108334, 18216668]

約数ペア:

[(1, 18216668), (2, 9108334), (4, 4554167), (19, 958772), (38, 479386), (76, 239693), (281, 64828), (562, 32414), (853, 21356), (1124, 16207), (1706, 10678), (3412, 5339)]