219956638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{270217}}^1$

素因数の和:270267

約数の個数: 16

約数和(自身を含む): 369658224

約数和(自身を除く): 149701586

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 270217, 540434, 2972387, 5944774, 9998029, 19996058, 109978319, 219956638]

約数ペア:

[(1, 219956638), (2, 109978319), (11, 19996058), (22, 9998029), (37, 5944774), (74, 2972387), (407, 540434), (814, 270217)]