19848160

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6529}}^1$

素因数の和:6563

約数の個数: 48

約数和(自身を含む): 49366800

約数和(自身を除く): 29518640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6529, 13058, 26116, 32645, 52232, 65290, 104464, 124051, 130580, 208928, 248102, 261160, 496204, 522320, 620255, 992408, 1044640, 1240510, 1984816, 2481020, 3969632, 4962040, 9924080, 19848160]

約数ペア:

[(1, 19848160), (2, 9924080), (4, 4962040), (5, 3969632), (8, 2481020), (10, 1984816), (16, 1240510), (19, 1044640), (20, 992408), (32, 620255), (38, 522320), (40, 496204), (76, 261160), (80, 248102), (95, 208928), (152, 130580), (160, 124051), (190, 104464), (304, 65290), (380, 52232), (608, 32645), (760, 26116), (1520, 13058), (3040, 6529)]