19153520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12601}}^1$

素因数の和:12633

約数の個数: 40

約数和(自身を含む): 46879440

約数和(自身を除く): 27725920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12601, 25202, 50404, 63005, 100808, 126010, 201616, 239419, 252020, 478838, 504040, 957676, 1008080, 1197095, 1915352, 2394190, 3830704, 4788380, 9576760, 19153520]

約数ペア:

[(1, 19153520), (2, 9576760), (4, 4788380), (5, 3830704), (8, 2394190), (10, 1915352), (16, 1197095), (19, 1008080), (20, 957676), (38, 504040), (40, 478838), (76, 252020), (80, 239419), (95, 201616), (152, 126010), (190, 100808), (304, 63005), (380, 50404), (760, 25202), (1520, 12601)]