16987868

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 30676800

約数和(自身を除く): 13688932

約数列:

[1, 2, 4, 47, 94, 109, 188, 218, 436, 829, 1658, 3316, 5123, 10246, 20492, 38963, 77926, 90361, 155852, 180722, 361444, 4246967, 8493934, 16987868]

約数ペア:

[(1, 16987868), (2, 8493934), (4, 4246967), (47, 361444), (94, 180722), (109, 155852), (188, 90361), (218, 77926), (436, 38963), (829, 20492), (1658, 10246), (3316, 5123)]