15442820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40639}}^1$

素因数の和:40667

約数の個数: 24

約数和(自身を含む): 34137600

約数和(自身を除く): 18694780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 40639, 81278, 162556, 203195, 406390, 772141, 812780, 1544282, 3088564, 3860705, 7721410, 15442820]

約数ペア:

[(1, 15442820), (2, 7721410), (4, 3860705), (5, 3088564), (10, 1544282), (19, 812780), (20, 772141), (38, 406390), (76, 203195), (95, 162556), (190, 81278), (380, 40639)]