18791312

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{2803}}^1$

素因数の和:3230

約数の個数: 20

約数和(自身を含む): 36508080

約数和(自身を除く): 17716768

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 2803, 3352, 5606, 6704, 11212, 22424, 44848, 1174457, 2348914, 4697828, 9395656, 18791312]

約数ペア:

[(1, 18791312), (2, 9395656), (4, 4697828), (8, 2348914), (16, 1174457), (419, 44848), (838, 22424), (1676, 11212), (2803, 6704), (3352, 5606)]