1816962590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107449}}^1$

素因数の和:107564

約数の個数: 32

約数和(自身を含む): 3481380000

約数和(自身を除く): 1664417410

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 3382, 8455, 16910, 107449, 214898, 537245, 1074490, 2041531, 4083062, 9562961, 10207655, 19125922, 20415310, 47814805, 95629610, 181696259, 363392518, 908481295, 1816962590]

約数ペア:

[(1, 1816962590), (2, 908481295), (5, 363392518), (10, 181696259), (19, 95629610), (38, 47814805), (89, 20415310), (95, 19125922), (178, 10207655), (190, 9562961), (445, 4083062), (890, 2041531), (1691, 1074490), (3382, 537245), (8455, 214898), (16910, 107449)]