18681138

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{677}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 48165120

約数和(自身を除く): 29483982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 73, 126, 146, 189, 219, 378, 438, 511, 657, 677, 1022, 1314, 1354, 1533, 1971, 2031, 3066, 3942, 4062, 4599, 4739, 6093, 9198, 9478, 12186, 13797, 14217, 18279, 27594, 28434, 36558, 42651, 49421, 85302, 98842, 127953, 148263, 255906, 296526, 345947, 444789, 691894, 889578, 1037841, 1334367, 2075682, 2668734, 3113523, 6227046, 9340569, 18681138]

約数ペア:

[(1, 18681138), (2, 9340569), (3, 6227046), (6, 3113523), (7, 2668734), (9, 2075682), (14, 1334367), (18, 1037841), (21, 889578), (27, 691894), (42, 444789), (54, 345947), (63, 296526), (73, 255906), (126, 148263), (146, 127953), (189, 98842), (219, 85302), (378, 49421), (438, 42651), (511, 36558), (657, 28434), (677, 27594), (1022, 18279), (1314, 14217), (1354, 13797), (1533, 12186), (1971, 9478), (2031, 9198), (3066, 6093), (3942, 4739), (4062, 4599)]