18650780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49081}}^1$

素因数の和:49109

約数の個数: 24

約数和(自身を含む): 41228880

約数和(自身を除く): 22578100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49081, 98162, 196324, 245405, 490810, 932539, 981620, 1865078, 3730156, 4662695, 9325390, 18650780]

約数ペア:

[(1, 18650780), (2, 9325390), (4, 4662695), (5, 3730156), (10, 1865078), (19, 981620), (20, 932539), (38, 490810), (76, 245405), (95, 196324), (190, 98162), (380, 49081)]