19931522

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:678

約数の個数: 24

約数和(自身を含む): 32731380

約数和(自身を除く): 12799858

約数列:

[1, 2, 13, 26, 109, 169, 218, 338, 541, 1082, 1417, 2834, 7033, 14066, 18421, 36842, 58969, 91429, 117938, 182858, 766597, 1533194, 9965761, 19931522]

約数ペア:

[(1, 19931522), (2, 9965761), (13, 1533194), (26, 766597), (109, 182858), (169, 117938), (218, 91429), (338, 58969), (541, 36842), (1082, 18421), (1417, 14066), (2834, 7033)]