18542216

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 26247544

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 971, 1364, 1736, 1942, 2387, 2728, 3884, 4774, 6797, 7768, 9548, 10681, 13594, 19096, 21362, 27188, 30101, 42724, 54376, 60202, 74767, 85448, 120404, 149534, 210707, 240808, 299068, 331111, 421414, 598136, 662222, 842828, 1324444, 1685656, 2317777, 2648888, 4635554, 9271108, 18542216]

約数ペア:

[(1, 18542216), (2, 9271108), (4, 4635554), (7, 2648888), (8, 2317777), (11, 1685656), (14, 1324444), (22, 842828), (28, 662222), (31, 598136), (44, 421414), (56, 331111), (62, 299068), (77, 240808), (88, 210707), (124, 149534), (154, 120404), (217, 85448), (248, 74767), (308, 60202), (341, 54376), (434, 42724), (616, 30101), (682, 27188), (868, 21362), (971, 19096), (1364, 13594), (1736, 10681), (1942, 9548), (2387, 7768), (2728, 6797), (3884, 4774)]