19864033

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 23385600

約数和(自身を除く): 3521567

約数列:

[1, 7, 47, 173, 329, 349, 1211, 2443, 8131, 16403, 56917, 60377, 114821, 422639, 2837719, 19864033]

約数ペア:

[(1, 19864033), (7, 2837719), (47, 422639), (173, 114821), (329, 60377), (349, 56917), (1211, 16403), (2443, 8131)]