1919240

素因数分解:

$2^3\times 5^1\times {\mathrm{47981}}^1$

素因数の和:47992

約数の個数: 16

約数和(自身を含む): 4318380

約数和(自身を除く): 2399140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47981, 95962, 191924, 239905, 383848, 479810, 959620, 1919240]

約数ペア:

[(1, 1919240), (2, 959620), (4, 479810), (5, 383848), (8, 239905), (10, 191924), (20, 95962), (40, 47981)]