18414992

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:447

約数の個数: 40

約数和(自身を含む): 37235712

約数和(自身を除く): 18820720

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 137, 248, 271, 274, 496, 542, 548, 1084, 1096, 2168, 2192, 4247, 4336, 8401, 8494, 16802, 16988, 33604, 33976, 37127, 67208, 67952, 74254, 134416, 148508, 297016, 594032, 1150937, 2301874, 4603748, 9207496, 18414992]

約数ペア:

[(1, 18414992), (2, 9207496), (4, 4603748), (8, 2301874), (16, 1150937), (31, 594032), (62, 297016), (124, 148508), (137, 134416), (248, 74254), (271, 67952), (274, 67208), (496, 37127), (542, 33976), (548, 33604), (1084, 16988), (1096, 16802), (2168, 8494), (2192, 8401), (4247, 4336)]