19700548

素因数分解:

$2^2\times 7^3\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 40924800

約数和(自身を除く): 21224252

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 173, 196, 332, 343, 346, 581, 686, 692, 1162, 1211, 1372, 2324, 2422, 4067, 4844, 8134, 8477, 14359, 16268, 16954, 28469, 28718, 33908, 56938, 57436, 59339, 100513, 113876, 118678, 201026, 237356, 402052, 703591, 1407182, 2814364, 4925137, 9850274, 19700548]

約数ペア:

[(1, 19700548), (2, 9850274), (4, 4925137), (7, 2814364), (14, 1407182), (28, 703591), (49, 402052), (83, 237356), (98, 201026), (166, 118678), (173, 113876), (196, 100513), (332, 59339), (343, 57436), (346, 56938), (581, 33908), (686, 28718), (692, 28469), (1162, 16954), (1211, 16268), (1372, 14359), (2324, 8477), (2422, 8134), (4067, 4844)]