18289921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{32719}}^1$

素因数の和:32775

約数の個数: 8

約数和(自身を含む): 20155520

約数和(自身を除く): 1865599

約数列:

[1, 13, 43, 559, 32719, 425347, 1406917, 18289921]

約数ペア:

[(1, 18289921), (13, 1406917), (43, 425347), (559, 32719)]