19973030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25939}}^1$

素因数の和:25964

約数の個数: 32

約数和(自身を含む): 44824320

約数和(自身を除く): 24851290

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25939, 51878, 129695, 181573, 259390, 285329, 363146, 570658, 907865, 1426645, 1815730, 1997303, 2853290, 3994606, 9986515, 19973030]

約数ペア:

[(1, 19973030), (2, 9986515), (5, 3994606), (7, 2853290), (10, 1997303), (11, 1815730), (14, 1426645), (22, 907865), (35, 570658), (55, 363146), (70, 285329), (77, 259390), (110, 181573), (154, 129695), (385, 51878), (770, 25939)]