18345921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3541}}^1$

素因数の和:3712

約数の個数: 16

約数和(自身を含む): 26862528

約数和(自身を除く): 8516607

約数列:

[1, 3, 11, 33, 157, 471, 1727, 3541, 5181, 10623, 38951, 116853, 555937, 1667811, 6115307, 18345921]

約数ペア:

[(1, 18345921), (3, 6115307), (11, 1667811), (33, 555937), (157, 116853), (471, 38951), (1727, 10623), (3541, 5181)]