18389968156

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{126719}}^1$

素因数の和:126874

約数の個数: 48

約数和(自身を含む): 37809192960

約数和(自身を除く): 19419224804

約数列:

[1, 2, 4, 7, 14, 28, 71, 73, 142, 146, 284, 292, 497, 511, 994, 1022, 1988, 2044, 5183, 10366, 20732, 36281, 72562, 126719, 145124, 253438, 506876, 887033, 1774066, 3548132, 8997049, 9250487, 17994098, 18500974, 35988196, 37001948, 62979343, 64753409, 125958686, 129506818, 251917372, 259013636, 656784577, 1313569154, 2627138308, 4597492039, 9194984078, 18389968156]

約数ペア:

[(1, 18389968156), (2, 9194984078), (4, 4597492039), (7, 2627138308), (14, 1313569154), (28, 656784577), (71, 259013636), (73, 251917372), (142, 129506818), (146, 125958686), (284, 64753409), (292, 62979343), (497, 37001948), (511, 35988196), (994, 18500974), (1022, 17994098), (1988, 9250487), (2044, 8997049), (5183, 3548132), (10366, 1774066), (20732, 887033), (36281, 506876), (72562, 253438), (126719, 145124)]