19948610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1201}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 39464064

約数和(自身を除く): 19515454

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 151, 302, 755, 1201, 1510, 1661, 2402, 3322, 6005, 8305, 12010, 13211, 16610, 26422, 66055, 132110, 181351, 362702, 906755, 1813510, 1994861, 3989722, 9974305, 19948610]

約数ペア:

[(1, 19948610), (2, 9974305), (5, 3989722), (10, 1994861), (11, 1813510), (22, 906755), (55, 362702), (110, 181351), (151, 132110), (302, 66055), (755, 26422), (1201, 16610), (1510, 13211), (1661, 12010), (2402, 8305), (3322, 6005)]