19337857

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 26131840

約数和(自身を除く): 6793983

約数列:

[1, 7, 11, 17, 77, 79, 119, 121, 187, 289, 553, 847, 869, 1309, 1343, 2023, 2057, 3179, 6083, 9401, 9559, 14399, 14773, 22253, 22831, 34969, 66913, 103411, 159817, 162503, 244783, 251141, 1137521, 1757987, 2762551, 19337857]

約数ペア:

[(1, 19337857), (7, 2762551), (11, 1757987), (17, 1137521), (77, 251141), (79, 244783), (119, 162503), (121, 159817), (187, 103411), (289, 66913), (553, 34969), (847, 22831), (869, 22253), (1309, 14773), (1343, 14399), (2023, 9559), (2057, 9401), (3179, 6083)]