19986711

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{733}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 27304800

約数和(自身を除く): 7318089

約数列:

[1, 3, 61, 149, 183, 447, 733, 2199, 9089, 27267, 44713, 109217, 134139, 327651, 6662237, 19986711]

約数ペア:

[(1, 19986711), (3, 6662237), (61, 327651), (149, 134139), (183, 109217), (447, 44713), (733, 27267), (2199, 9089)]