19115481

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{997}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 32191488

約数和(自身を除く): 13076007

約数列:

[1, 3, 7, 11, 21, 33, 77, 83, 231, 249, 581, 913, 997, 1743, 2739, 2991, 6391, 6979, 10967, 19173, 20937, 32901, 76769, 82751, 230307, 248253, 579257, 910261, 1737771, 2730783, 6371827, 19115481]

約数ペア:

[(1, 19115481), (3, 6371827), (7, 2730783), (11, 1737771), (21, 910261), (33, 579257), (77, 248253), (83, 230307), (231, 82751), (249, 76769), (581, 32901), (913, 20937), (997, 19173), (1743, 10967), (2739, 6979), (2991, 6391)]