19801326

素因数分解:

$2^1\times 3^1\times {\mathrm{409}}^1\times {\mathrm{8069}}^1$

素因数の和:8483

約数の個数: 16

約数和(自身を含む): 39704400

約数和(自身を除く): 19903074

約数列:

[1, 2, 3, 6, 409, 818, 1227, 2454, 8069, 16138, 24207, 48414, 3300221, 6600442, 9900663, 19801326]

約数ペア:

[(1, 19801326), (2, 9900663), (3, 6600442), (6, 3300221), (409, 48414), (818, 24207), (1227, 16138), (2454, 8069)]