18836138

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^2$

素因数の和:250

約数の個数: 24

約数和(自身を含む): 30281580

約数和(自身を除く): 11445442

約数列:

[1, 2, 29, 41, 58, 82, 89, 178, 1189, 2378, 2581, 3649, 5162, 7298, 7921, 15842, 105821, 211642, 229709, 324761, 459418, 649522, 9418069, 18836138]

約数ペア:

[(1, 18836138), (2, 9418069), (29, 649522), (41, 459418), (58, 324761), (82, 229709), (89, 211642), (178, 105821), (1189, 15842), (2378, 7921), (2581, 7298), (3649, 5162)]