19549809

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{23357}}^1$

素因数の和:23397

約数の個数: 16

約数和(自身を含む): 29898240

約数和(自身を除く): 10348431

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 23357, 70071, 210213, 630639, 724067, 2172201, 6516603, 19549809]

約数ペア:

[(1, 19549809), (3, 6516603), (9, 2172201), (27, 724067), (31, 630639), (93, 210213), (279, 70071), (837, 23357)]