18726830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81421}}^1$

素因数の和:81451

約数の個数: 16

約数和(自身を含む): 35174304

約数和(自身を除く): 16447474

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 81421, 162842, 407105, 814210, 1872683, 3745366, 9363415, 18726830]

約数ペア:

[(1, 18726830), (2, 9363415), (5, 3745366), (10, 1872683), (23, 814210), (46, 407105), (115, 162842), (230, 81421)]