19995411

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1\times {\mathrm{373}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 27143424

約数和(自身を除く): 7148013

約数列:

[1, 3, 107, 167, 321, 373, 501, 1119, 17869, 39911, 53607, 62291, 119733, 186873, 6665137, 19995411]

約数ペア:

[(1, 19995411), (3, 6665137), (107, 186873), (167, 119733), (321, 62291), (373, 53607), (501, 39911), (1119, 17869)]