18031760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11863}}^1$

素因数の和:11895

約数の個数: 40

約数和(自身を含む): 44134080

約数和(自身を除く): 26102320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 11863, 23726, 47452, 59315, 94904, 118630, 189808, 225397, 237260, 450794, 474520, 901588, 949040, 1126985, 1803176, 2253970, 3606352, 4507940, 9015880, 18031760]

約数ペア:

[(1, 18031760), (2, 9015880), (4, 4507940), (5, 3606352), (8, 2253970), (10, 1803176), (16, 1126985), (19, 949040), (20, 901588), (38, 474520), (40, 450794), (76, 237260), (80, 225397), (95, 189808), (152, 118630), (190, 94904), (304, 59315), (380, 47452), (760, 23726), (1520, 11863)]