18110420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47659}}^1$

素因数の和:47687

約数の個数: 24

約数和(自身を含む): 40034400

約数和(自身を除く): 21923980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47659, 95318, 190636, 238295, 476590, 905521, 953180, 1811042, 3622084, 4527605, 9055210, 18110420]

約数ペア:

[(1, 18110420), (2, 9055210), (4, 4527605), (5, 3622084), (10, 1811042), (19, 953180), (20, 905521), (38, 476590), (76, 238295), (95, 190636), (190, 95318), (380, 47659)]