15986212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{863}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 30627072

約数和(自身を除く): 14640860

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 863, 1684, 1726, 3452, 4631, 9262, 9493, 18524, 18986, 37972, 363323, 726646, 1453292, 3996553, 7993106, 15986212]

約数ペア:

[(1, 15986212), (2, 7993106), (4, 3996553), (11, 1453292), (22, 726646), (44, 363323), (421, 37972), (842, 18986), (863, 18524), (1684, 9493), (1726, 9262), (3452, 4631)]