2019993985

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{2399}}^1\times {\mathrm{5807}}^1$

素因数の和:8240

約数の個数: 16

約数和(自身を含む): 2509056000

約数和(自身を除く): 489062015

約数列:

[1, 5, 29, 145, 2399, 5807, 11995, 29035, 69571, 168403, 347855, 842015, 13930993, 69654965, 403998797, 2019993985]

約数ペア:

[(1, 2019993985), (5, 403998797), (29, 69654965), (145, 13930993), (2399, 842015), (5807, 347855), (11995, 168403), (29035, 69571)]