19719442

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{2381}}^1$

素因数の和:2525

約数の個数: 16

約数和(自身を含む): 30613464

約数和(自身を除く): 10894022

約数列:

[1, 2, 41, 82, 101, 202, 2381, 4141, 4762, 8282, 97621, 195242, 240481, 480962, 9859721, 19719442]

約数ペア:

[(1, 19719442), (2, 9859721), (41, 480962), (82, 240481), (101, 195242), (202, 97621), (2381, 8282), (4141, 4762)]