18018935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 25470720

約数和(自身を除く): 7451785

約数列:

[1, 5, 11, 19, 43, 55, 95, 209, 215, 401, 473, 817, 1045, 2005, 2365, 4085, 4411, 7619, 8987, 17243, 22055, 38095, 44935, 83809, 86215, 189673, 327617, 419045, 948365, 1638085, 3603787, 18018935]

約数ペア:

[(1, 18018935), (5, 3603787), (11, 1638085), (19, 948365), (43, 419045), (55, 327617), (95, 189673), (209, 86215), (215, 83809), (401, 44935), (473, 38095), (817, 22055), (1045, 17243), (2005, 8987), (2365, 7619), (4085, 4411)]