18916668

素因数分解:

$2^2\times 3^2\times {\mathrm{479}}^1\times {\mathrm{1097}}^1$

素因数の和:1586

約数の個数: 36

約数和(自身を含む): 47960640

約数和(自身を除く): 29043972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 479, 958, 1097, 1437, 1916, 2194, 2874, 3291, 4311, 4388, 5748, 6582, 8622, 9873, 13164, 17244, 19746, 39492, 525463, 1050926, 1576389, 2101852, 3152778, 4729167, 6305556, 9458334, 18916668]

約数ペア:

[(1, 18916668), (2, 9458334), (3, 6305556), (4, 4729167), (6, 3152778), (9, 2101852), (12, 1576389), (18, 1050926), (36, 525463), (479, 39492), (958, 19746), (1097, 17244), (1437, 13164), (1916, 9873), (2194, 8622), (2874, 6582), (3291, 5748), (4311, 4388)]