19940370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{664679}}^1$

素因数の和:664689

約数の個数: 16

約数和(自身を含む): 47856960

約数和(自身を除く): 27916590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 664679, 1329358, 1994037, 3323395, 3988074, 6646790, 9970185, 19940370]

約数ペア:

[(1, 19940370), (2, 9970185), (3, 6646790), (5, 3988074), (6, 3323395), (10, 1994037), (15, 1329358), (30, 664679)]