18517788

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{5531}}^1$

素因数の和:5575

約数の個数: 48

約数和(自身を含む): 49566720

約数和(自身を除く): 31048932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 5531, 11062, 16593, 22124, 33186, 49779, 66372, 99558, 149337, 171461, 199116, 298674, 342922, 514383, 597348, 685844, 1028766, 1543149, 2057532, 3086298, 4629447, 6172596, 9258894, 18517788]

約数ペア:

[(1, 18517788), (2, 9258894), (3, 6172596), (4, 4629447), (6, 3086298), (9, 2057532), (12, 1543149), (18, 1028766), (27, 685844), (31, 597348), (36, 514383), (54, 342922), (62, 298674), (93, 199116), (108, 171461), (124, 149337), (186, 99558), (279, 66372), (372, 49779), (558, 33186), (837, 22124), (1116, 16593), (1674, 11062), (3348, 5531)]