19684844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{859}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 36625680

約数和(自身を除く): 16940836

約数列:

[1, 2, 4, 17, 34, 68, 337, 674, 859, 1348, 1718, 3436, 5729, 11458, 14603, 22916, 29206, 58412, 289483, 578966, 1157932, 4921211, 9842422, 19684844]

約数ペア:

[(1, 19684844), (2, 9842422), (4, 4921211), (17, 1157932), (34, 578966), (68, 289483), (337, 58412), (674, 29206), (859, 22916), (1348, 14603), (1718, 11458), (3436, 5729)]