11561918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 24

約数和(自身を含む): 18815160

約数和(自身を除く): 7253242

約数列:

[1, 2, 19, 38, 41, 82, 181, 362, 779, 1558, 1681, 3362, 3439, 6878, 7421, 14842, 31939, 63878, 140999, 281998, 304261, 608522, 5780959, 11561918]

約数ペア:

[(1, 11561918), (2, 5780959), (19, 608522), (38, 304261), (41, 281998), (82, 140999), (181, 63878), (362, 31939), (779, 14842), (1558, 7421), (1681, 6878), (3362, 3439)]