20180981009

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{185533}}^1$

素因数の和:185960

約数の個数: 16

約数和(自身を含む): 23688981120

約数和(自身を除く): 3508000111

約数列:

[1, 7, 41, 287, 379, 2653, 15539, 108773, 185533, 1298731, 7606853, 53247971, 70317007, 492219049, 2882997287, 20180981009]

約数ペア:

[(1, 20180981009), (7, 2882997287), (41, 492219049), (287, 70317007), (379, 53247971), (2653, 7606853), (15539, 1298731), (108773, 185533)]