18926413

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 21925440

約数和(自身を除く): 2999027

約数列:

[1, 11, 19, 137, 209, 661, 1507, 2603, 7271, 12559, 28633, 90557, 138149, 996127, 1720583, 18926413]

約数ペア:

[(1, 18926413), (11, 1720583), (19, 996127), (137, 138149), (209, 90557), (661, 28633), (1507, 12559), (2603, 7271)]