19868494

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{2243}}^1$

素因数の和:2391

約数の個数: 16

約数和(自身を含む): 30805632

約数和(自身を除く): 10937138

約数列:

[1, 2, 43, 86, 103, 206, 2243, 4429, 4486, 8858, 96449, 192898, 231029, 462058, 9934247, 19868494]

約数ペア:

[(1, 19868494), (2, 9934247), (43, 462058), (86, 231029), (103, 192898), (206, 96449), (2243, 8858), (4429, 4486)]