18167420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47809}}^1$

素因数の和:47837

約数の個数: 24

約数和(自身を含む): 40160400

約数和(自身を除く): 21992980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47809, 95618, 191236, 239045, 478090, 908371, 956180, 1816742, 3633484, 4541855, 9083710, 18167420]

約数ペア:

[(1, 18167420), (2, 9083710), (4, 4541855), (5, 3633484), (10, 1816742), (19, 956180), (20, 908371), (38, 478090), (76, 239045), (95, 191236), (190, 95618), (380, 47809)]