18745544

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 17412856

約数列:

[1, 2, 4, 8, 61, 107, 122, 214, 244, 359, 428, 488, 718, 856, 1436, 2872, 6527, 13054, 21899, 26108, 38413, 43798, 52216, 76826, 87596, 153652, 175192, 307304, 2343193, 4686386, 9372772, 18745544]

約数ペア:

[(1, 18745544), (2, 9372772), (4, 4686386), (8, 2343193), (61, 307304), (107, 175192), (122, 153652), (214, 87596), (244, 76826), (359, 52216), (428, 43798), (488, 38413), (718, 26108), (856, 21899), (1436, 13054), (2872, 6527)]