19697724

素因数分解:

$2^2\times 3^2\times {\mathrm{719}}^1\times {\mathrm{761}}^1$

素因数の和:1490

約数の個数: 36

約数和(自身を含む): 49926240

約数和(自身を除く): 30228516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 719, 761, 1438, 1522, 2157, 2283, 2876, 3044, 4314, 4566, 6471, 6849, 8628, 9132, 12942, 13698, 25884, 27396, 547159, 1094318, 1641477, 2188636, 3282954, 4924431, 6565908, 9848862, 19697724]

約数ペア:

[(1, 19697724), (2, 9848862), (3, 6565908), (4, 4924431), (6, 3282954), (9, 2188636), (12, 1641477), (18, 1094318), (36, 547159), (719, 27396), (761, 25884), (1438, 13698), (1522, 12942), (2157, 9132), (2283, 8628), (2876, 6849), (3044, 6471), (4314, 4566)]