1899620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4999}}^1$

素因数の和:5027

約数の個数: 24

約数和(自身を含む): 4200000

約数和(自身を除く): 2300380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4999, 9998, 19996, 24995, 49990, 94981, 99980, 189962, 379924, 474905, 949810, 1899620]

約数ペア:

[(1, 1899620), (2, 949810), (4, 474905), (5, 379924), (10, 189962), (19, 99980), (20, 94981), (38, 49990), (76, 24995), (95, 19996), (190, 9998), (380, 4999)]