19663364

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{8461}}^1$

素因数の和:8555

約数の個数: 24

約数和(自身を含む): 39805248

約数和(自身を除く): 20141884

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 8461, 16922, 33844, 59227, 118454, 236908, 702263, 1404526, 2809052, 4915841, 9831682, 19663364]

約数ペア:

[(1, 19663364), (2, 9831682), (4, 4915841), (7, 2809052), (14, 1404526), (28, 702263), (83, 236908), (166, 118454), (332, 59227), (581, 33844), (1162, 16922), (2324, 8461)]