19695115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 27786240

約数和(自身を除く): 8091125

約数列:

[1, 5, 11, 19, 47, 55, 95, 209, 235, 401, 517, 893, 1045, 2005, 2585, 4411, 4465, 7619, 9823, 18847, 22055, 38095, 49115, 83809, 94235, 207317, 358093, 419045, 1036585, 1790465, 3939023, 19695115]

約数ペア:

[(1, 19695115), (5, 3939023), (11, 1790465), (19, 1036585), (47, 419045), (55, 358093), (95, 207317), (209, 94235), (235, 83809), (401, 49115), (517, 38095), (893, 22055), (1045, 18847), (2005, 9823), (2585, 7619), (4411, 4465)]