19653597

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{2609}}^1$

素因数の和:2655

約数の個数: 24

約数和(自身を含む): 30401280

約数和(自身を除く): 10747683

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 2511, 2609, 7533, 7827, 23481, 70443, 80879, 211329, 242637, 633987, 727911, 2183733, 6551199, 19653597]

約数ペア:

[(1, 19653597), (3, 6551199), (9, 2183733), (27, 727911), (31, 633987), (81, 242637), (93, 211329), (243, 80879), (279, 70443), (837, 23481), (2511, 7827), (2609, 7533)]