19815838

素因数分解:

$2^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{2309}}^1$

素因数の和:2931

約数の個数: 16

約数和(自身を含む): 34040160

約数和(自身を除く): 14224322

約数列:

[1, 2, 7, 14, 613, 1226, 2309, 4291, 4618, 8582, 16163, 32326, 1415417, 2830834, 9907919, 19815838]

約数ペア:

[(1, 19815838), (2, 9907919), (7, 2830834), (14, 1415417), (613, 32326), (1226, 16163), (2309, 8582), (4291, 4618)]