19516510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8831}}^1$

素因数の和:8868

約数の個数: 32

約数和(自身を含む): 40061952

約数和(自身を除く): 20545442

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8831, 17662, 44155, 88310, 114803, 150127, 229606, 300254, 574015, 750635, 1148030, 1501270, 1951651, 3903302, 9758255, 19516510]

約数ペア:

[(1, 19516510), (2, 9758255), (5, 3903302), (10, 1951651), (13, 1501270), (17, 1148030), (26, 750635), (34, 574015), (65, 300254), (85, 229606), (130, 150127), (170, 114803), (221, 88310), (442, 44155), (1105, 17662), (2210, 8831)]