42191780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{111031}}^1$

素因数の和:111059

約数の個数: 24

約数和(自身を含む): 93266880

約数和(自身を除く): 51075100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 111031, 222062, 444124, 555155, 1110310, 2109589, 2220620, 4219178, 8438356, 10547945, 21095890, 42191780]

約数ペア:

[(1, 42191780), (2, 21095890), (4, 10547945), (5, 8438356), (10, 4219178), (19, 2220620), (20, 2109589), (38, 1110310), (76, 555155), (95, 444124), (190, 222062), (380, 111031)]