18365571

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 32531200

約数和(自身を除く): 14165629

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 67, 133, 171, 201, 229, 399, 469, 603, 687, 1197, 1273, 1407, 1603, 2061, 3819, 4221, 4351, 4809, 8911, 11457, 13053, 14427, 15343, 26733, 30457, 39159, 46029, 80199, 91371, 107401, 138087, 274113, 291517, 322203, 874551, 966609, 2040619, 2623653, 6121857, 18365571]

約数ペア:

[(1, 18365571), (3, 6121857), (7, 2623653), (9, 2040619), (19, 966609), (21, 874551), (57, 322203), (63, 291517), (67, 274113), (133, 138087), (171, 107401), (201, 91371), (229, 80199), (399, 46029), (469, 39159), (603, 30457), (687, 26733), (1197, 15343), (1273, 14427), (1407, 13053), (1603, 11457), (2061, 8911), (3819, 4809), (4221, 4351)]