19813670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4019}}^1$

素因数の和:4072

約数の個数: 32

約数和(自身を含む): 39074400

約数和(自身を除く): 19260730

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4019, 4930, 8038, 20095, 40190, 68323, 116551, 136646, 233102, 341615, 582755, 683230, 1165510, 1981367, 3962734, 9906835, 19813670]

約数ペア:

[(1, 19813670), (2, 9906835), (5, 3962734), (10, 1981367), (17, 1165510), (29, 683230), (34, 582755), (58, 341615), (85, 233102), (145, 136646), (170, 116551), (290, 68323), (493, 40190), (986, 20095), (2465, 8038), (4019, 4930)]