18977288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{569}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 38988000

約数和(自身を除く): 20010712

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 379, 569, 758, 1138, 1516, 2276, 3032, 4169, 4552, 6259, 8338, 12518, 16676, 25036, 33352, 50072, 215651, 431302, 862604, 1725208, 2372161, 4744322, 9488644, 18977288]

約数ペア:

[(1, 18977288), (2, 9488644), (4, 4744322), (8, 2372161), (11, 1725208), (22, 862604), (44, 431302), (88, 215651), (379, 50072), (569, 33352), (758, 25036), (1138, 16676), (1516, 12518), (2276, 8338), (3032, 6259), (4169, 4552)]