18122960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11923}}^1$

素因数の和:11955

約数の個数: 40

約数和(自身を含む): 44357280

約数和(自身を除く): 26234320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 11923, 23846, 47692, 59615, 95384, 119230, 190768, 226537, 238460, 453074, 476920, 906148, 953840, 1132685, 1812296, 2265370, 3624592, 4530740, 9061480, 18122960]

約数ペア:

[(1, 18122960), (2, 9061480), (4, 4530740), (5, 3624592), (8, 2265370), (10, 1812296), (16, 1132685), (19, 953840), (20, 906148), (38, 476920), (40, 453074), (76, 238460), (80, 226537), (95, 190768), (152, 119230), (190, 95384), (304, 59615), (380, 47692), (760, 23846), (1520, 11923)]