2019920650881

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{253790759}}^1$

素因数の和:253791148

約数の個数: 16

約数和(自身を含む): 3086095641600

約数和(自身を除く): 1066174990719

約数列:

[1, 3, 7, 21, 379, 1137, 2653, 7959, 253790759, 761372277, 1776535313, 5329605939, 96186697661, 288560092983, 673306883627, 2019920650881]

約数ペア:

[(1, 2019920650881), (3, 673306883627), (7, 288560092983), (21, 96186697661), (379, 5329605939), (1137, 1776535313), (2653, 761372277), (7959, 253790759)]