19995303

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1471}}^1$

素因数の和:1694

約数の個数: 16

約数和(自身を含む): 27979776

約数和(自身を除く): 7984473

約数列:

[1, 3, 23, 69, 197, 591, 1471, 4413, 4531, 13593, 33833, 101499, 289787, 869361, 6665101, 19995303]

約数ペア:

[(1, 19995303), (3, 6665101), (23, 869361), (69, 289787), (197, 101499), (591, 33833), (1471, 13593), (4413, 4531)]