19640394338

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{507163}}^1$

素因数の和:507266

約数の個数: 24

約数和(自身を含む): 31762666992

約数和(自身を除く): 12122272654

約数列:

[1, 2, 17, 34, 67, 134, 289, 578, 1139, 2278, 19363, 38726, 507163, 1014326, 8621771, 17243542, 33979921, 67959842, 146570107, 293140214, 577658657, 1155317314, 9820197169, 19640394338]

約数ペア:

[(1, 19640394338), (2, 9820197169), (17, 1155317314), (34, 577658657), (67, 293140214), (134, 146570107), (289, 67959842), (578, 33979921), (1139, 17243542), (2278, 8621771), (19363, 1014326), (38726, 507163)]