18171247468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{980957}}^1$

素因数の和:981393

約数の個数: 24

約数和(自身を含む): 34772999184

約数和(自身を除く): 16601751716

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1684, 4631, 9262, 18524, 980957, 1961914, 3923828, 10790527, 21581054, 43162108, 412982897, 825965794, 1651931588, 4542811867, 9085623734, 18171247468]

約数ペア:

[(1, 18171247468), (2, 9085623734), (4, 4542811867), (11, 1651931588), (22, 825965794), (44, 412982897), (421, 43162108), (842, 21581054), (1684, 10790527), (4631, 3923828), (9262, 1961914), (18524, 980957)]