1657940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4363}}^1$

素因数の和:4391

約数の個数: 24

約数和(自身を含む): 3665760

約数和(自身を除く): 2007820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4363, 8726, 17452, 21815, 43630, 82897, 87260, 165794, 331588, 414485, 828970, 1657940]

約数ペア:

[(1, 1657940), (2, 828970), (4, 414485), (5, 331588), (10, 165794), (19, 87260), (20, 82897), (38, 43630), (76, 21815), (95, 17452), (190, 8726), (380, 4363)]