19959093

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 36481536

約数和(自身を除く): 16522443

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 83, 99, 231, 249, 347, 581, 693, 747, 913, 1041, 1743, 2429, 2739, 3123, 3817, 5229, 6391, 7287, 8217, 11451, 19173, 21861, 26719, 28801, 34353, 57519, 80157, 86403, 201607, 240471, 259209, 316811, 604821, 950433, 1814463, 2217677, 2851299, 6653031, 19959093]

約数ペア:

[(1, 19959093), (3, 6653031), (7, 2851299), (9, 2217677), (11, 1814463), (21, 950433), (33, 604821), (63, 316811), (77, 259209), (83, 240471), (99, 201607), (231, 86403), (249, 80157), (347, 57519), (581, 34353), (693, 28801), (747, 26719), (913, 21861), (1041, 19173), (1743, 11451), (2429, 8217), (2739, 7287), (3123, 6391), (3817, 5229)]