19927518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{569}}^1$

素因数の和:1036

約数の個数: 32

約数和(自身を含む): 43092000

約数和(自身を除く): 23164482

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 449, 569, 898, 1138, 1347, 1707, 2694, 3414, 5837, 7397, 11674, 14794, 17511, 22191, 35022, 44382, 255481, 510962, 766443, 1532886, 3321253, 6642506, 9963759, 19927518]

約数ペア:

[(1, 19927518), (2, 9963759), (3, 6642506), (6, 3321253), (13, 1532886), (26, 766443), (39, 510962), (78, 255481), (449, 44382), (569, 35022), (898, 22191), (1138, 17511), (1347, 14794), (1707, 11674), (2694, 7397), (3414, 5837)]