19906641

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4637}}^1$

素因数の和:4702

約数の個数: 20

約数和(自身を含む): 30304692

約数和(自身を除く): 10398051

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4637, 13911, 41733, 125199, 245761, 375597, 737283, 2211849, 6635547, 19906641]

約数ペア:

[(1, 19906641), (3, 6635547), (9, 2211849), (27, 737283), (53, 375597), (81, 245761), (159, 125199), (477, 41733), (1431, 13911), (4293, 4637)]