19442878

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 36114624

約数和(自身を除く): 16671746

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 317, 337, 634, 674, 2219, 2359, 4121, 4381, 4438, 4718, 8242, 8762, 28847, 30667, 57694, 61334, 106829, 213658, 747803, 1388777, 1495606, 2777554, 9721439, 19442878]

約数ペア:

[(1, 19442878), (2, 9721439), (7, 2777554), (13, 1495606), (14, 1388777), (26, 747803), (91, 213658), (182, 106829), (317, 61334), (337, 57694), (634, 30667), (674, 28847), (2219, 8762), (2359, 8242), (4121, 4718), (4381, 4438)]