19807173

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{2203}}^1$

素因数の和:2255

約数の個数: 24

約数和(自身を含む): 30485728

約数和(自身を除く): 10678555

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2203, 2997, 6609, 8991, 19827, 59481, 81511, 178443, 244533, 535329, 733599, 2200797, 6602391, 19807173]

約数ペア:

[(1, 19807173), (3, 6602391), (9, 2200797), (27, 733599), (37, 535329), (81, 244533), (111, 178443), (243, 81511), (333, 59481), (999, 19827), (2203, 8991), (2997, 6609)]