19935883

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 5223797

約数列:

[1, 11, 17, 19, 31, 181, 187, 209, 323, 341, 527, 589, 1991, 3077, 3439, 3553, 5611, 5797, 6479, 10013, 33847, 37829, 58463, 61721, 95387, 106609, 110143, 643093, 1049257, 1172699, 1812353, 19935883]

約数ペア:

[(1, 19935883), (11, 1812353), (17, 1172699), (19, 1049257), (31, 643093), (181, 110143), (187, 106609), (209, 95387), (323, 61721), (341, 58463), (527, 37829), (589, 33847), (1991, 10013), (3077, 6479), (3439, 5797), (3553, 5611)]