18410645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 25280640

約数和(自身を除く): 6869995

約数列:

[1, 5, 11, 37, 55, 83, 109, 185, 407, 415, 545, 913, 1199, 2035, 3071, 4033, 4565, 5995, 9047, 15355, 20165, 33781, 44363, 45235, 99517, 168905, 221815, 334739, 497585, 1673695, 3682129, 18410645]

約数ペア:

[(1, 18410645), (5, 3682129), (11, 1673695), (37, 497585), (55, 334739), (83, 221815), (109, 168905), (185, 99517), (407, 45235), (415, 44363), (545, 33781), (913, 20165), (1199, 15355), (2035, 9047), (3071, 5995), (4033, 4565)]