18778864819

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{12281}}^1$

素因数の和:12376

約数の個数: 48

約数和(自身を含む): 24071344416

約数和(自身を除く): 5292479597

約数列:

[1, 11, 13, 17, 37, 143, 187, 221, 289, 407, 481, 629, 2431, 3179, 3757, 5291, 6919, 8177, 10693, 12281, 41327, 89947, 117623, 135091, 139009, 159653, 208777, 454397, 1529099, 1756183, 2296547, 2714101, 3549209, 4998367, 5907161, 7724749, 29855111, 39041299, 46139717, 64978771, 84972239, 100421737, 131320733, 507536887, 1104639107, 1444528063, 1707169529, 18778864819]

約数ペア:

[(1, 18778864819), (11, 1707169529), (13, 1444528063), (17, 1104639107), (37, 507536887), (143, 131320733), (187, 100421737), (221, 84972239), (289, 64978771), (407, 46139717), (481, 39041299), (629, 29855111), (2431, 7724749), (3179, 5907161), (3757, 4998367), (5291, 3549209), (6919, 2714101), (8177, 2296547), (10693, 1756183), (12281, 1529099), (41327, 454397), (89947, 208777), (117623, 159653), (135091, 139009)]