18692020

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1787}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 39350304

約数和(自身を除く): 20658284

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 1787, 2092, 2615, 3574, 5230, 7148, 8935, 10460, 17870, 35740, 934601, 1869202, 3738404, 4673005, 9346010, 18692020]

約数ペア:

[(1, 18692020), (2, 9346010), (4, 4673005), (5, 3738404), (10, 1869202), (20, 934601), (523, 35740), (1046, 17870), (1787, 10460), (2092, 8935), (2615, 7148), (3574, 5230)]