2009721830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8737921}}^1$

素因数の和:8737951

約数の個数: 16

約数和(自身を含む): 3774782304

約数和(自身を除く): 1765060474

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 8737921, 17475842, 43689605, 87379210, 200972183, 401944366, 1004860915, 2009721830]

約数ペア:

[(1, 2009721830), (2, 1004860915), (5, 401944366), (10, 200972183), (23, 87379210), (46, 43689605), (115, 17475842), (230, 8737921)]