18711572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2137}}^1$

素因数の和:2351

約数の個数: 24

約数和(自身を含む): 35918400

約数和(自身を除く): 17206828

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2137, 2189, 4274, 4378, 8548, 8756, 23507, 47014, 94028, 425263, 850526, 1701052, 4677893, 9355786, 18711572]

約数ペア:

[(1, 18711572), (2, 9355786), (4, 4677893), (11, 1701052), (22, 850526), (44, 425263), (199, 94028), (398, 47014), (796, 23507), (2137, 8756), (2189, 8548), (4274, 4378)]