190019613

素因数分解:

$3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{21493}}^1$

素因数の和:21924

約数の個数: 16

約数和(自身を含む): 290254976

約数和(自身を除く): 100235363

約数列:

[1, 3, 7, 21, 421, 1263, 2947, 8841, 21493, 64479, 150451, 451353, 9048553, 27145659, 63339871, 190019613]

約数ペア:

[(1, 190019613), (3, 63339871), (7, 27145659), (21, 9048553), (421, 451353), (1263, 150451), (2947, 64479), (8841, 21493)]