20199189813

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{19037}}^1$

素因数の和:19178

約数の個数: 48

約数和(自身を含む): 30789776640

約数和(自身を除く): 10590586827

約数列:

[1, 3, 11, 33, 37, 79, 111, 121, 237, 363, 407, 869, 1221, 2607, 2923, 4477, 8769, 9559, 13431, 19037, 28677, 32153, 57111, 96459, 209407, 353683, 628221, 704369, 1061049, 1503923, 2113107, 2303477, 4511769, 6910431, 7748059, 16543153, 23244177, 49629459, 55645151, 85228649, 166935453, 181974683, 255685947, 545924049, 612096661, 1836289983, 6733063271, 20199189813]

約数ペア:

[(1, 20199189813), (3, 6733063271), (11, 1836289983), (33, 612096661), (37, 545924049), (79, 255685947), (111, 181974683), (121, 166935453), (237, 85228649), (363, 55645151), (407, 49629459), (869, 23244177), (1221, 16543153), (2607, 7748059), (2923, 6910431), (4477, 4511769), (8769, 2303477), (9559, 2113107), (13431, 1503923), (19037, 1061049), (28677, 704369), (32153, 628221), (57111, 353683), (96459, 209407)]