201919210

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{49369}}^1$

素因数の和:49785

約数の個数: 16

約数和(自身を含む): 364350600

約数和(自身を除く): 162431390

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 49369, 98738, 246845, 493690, 20191921, 40383842, 100959605, 201919210]

約数ペア:

[(1, 201919210), (2, 100959605), (5, 40383842), (10, 20191921), (409, 493690), (818, 246845), (2045, 98738), (4090, 49369)]