18958141

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 20972160

約数和(自身を除く): 2014019

約数列:

[1, 23, 29, 43, 661, 667, 989, 1247, 15203, 19169, 28423, 28681, 440887, 653729, 824267, 18958141]

約数ペア:

[(1, 18958141), (23, 824267), (29, 653729), (43, 440887), (661, 28681), (667, 28423), (989, 19169), (1247, 15203)]