18990566

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 33626880

約数和(自身を除く): 14636314

約数列:

[1, 2, 7, 14, 59, 83, 118, 166, 277, 413, 554, 581, 826, 1162, 1939, 3878, 4897, 9794, 16343, 22991, 32686, 34279, 45982, 68558, 114401, 160937, 228802, 321874, 1356469, 2712938, 9495283, 18990566]

約数ペア:

[(1, 18990566), (2, 9495283), (7, 2712938), (14, 1356469), (59, 321874), (83, 228802), (118, 160937), (166, 114401), (277, 68558), (413, 45982), (554, 34279), (581, 32686), (826, 22991), (1162, 16343), (1939, 9794), (3878, 4897)]