18931319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1511}}^1$

素因数の和:1606

約数の個数: 16

約数和(自身を含む): 22208256

約数和(自身を除く): 3276937

約数列:

[1, 11, 17, 67, 187, 737, 1139, 1511, 12529, 16621, 25687, 101237, 282557, 1113607, 1721029, 18931319]

約数ペア:

[(1, 18931319), (11, 1721029), (17, 1113607), (67, 282557), (187, 101237), (737, 25687), (1139, 16621), (1511, 12529)]