19620304

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2719}}^1$

素因数の和:2779

約数の個数: 40

約数和(自身を含む): 42497280

約数和(自身を除く): 22876976

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2719, 3608, 5438, 7216, 10876, 21752, 29909, 43504, 59818, 111479, 119636, 222958, 239272, 445916, 478544, 891832, 1226269, 1783664, 2452538, 4905076, 9810152, 19620304]

約数ペア:

[(1, 19620304), (2, 9810152), (4, 4905076), (8, 2452538), (11, 1783664), (16, 1226269), (22, 891832), (41, 478544), (44, 445916), (82, 239272), (88, 222958), (164, 119636), (176, 111479), (328, 59818), (451, 43504), (656, 29909), (902, 21752), (1804, 10876), (2719, 7216), (3608, 5438)]