19686968

素因数分解:

$2^3\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1109}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 42357600

約数和(自身を除く): 22670632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 317, 634, 1109, 1268, 2218, 2219, 2536, 4436, 4438, 7763, 8872, 8876, 15526, 17752, 31052, 62104, 351553, 703106, 1406212, 2460871, 2812424, 4921742, 9843484, 19686968]

約数ペア:

[(1, 19686968), (2, 9843484), (4, 4921742), (7, 2812424), (8, 2460871), (14, 1406212), (28, 703106), (56, 351553), (317, 62104), (634, 31052), (1109, 17752), (1268, 15526), (2218, 8876), (2219, 8872), (2536, 7763), (4436, 4438)]