19678610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3851}}^1$

素因数の和:3938

約数の個数: 32

約数和(自身を含む): 41046912

約数和(自身を除く): 21368302

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 3851, 5110, 7702, 19255, 26957, 38510, 53914, 134785, 269570, 281123, 562246, 1405615, 1967861, 2811230, 3935722, 9839305, 19678610]

約数ペア:

[(1, 19678610), (2, 9839305), (5, 3935722), (7, 2811230), (10, 1967861), (14, 1405615), (35, 562246), (70, 281123), (73, 269570), (146, 134785), (365, 53914), (511, 38510), (730, 26957), (1022, 19255), (2555, 7702), (3851, 5110)]