19551618

素因数分解:

$2^1\times 3^4\times {\mathrm{120689}}^1$

素因数の和:120703

約数の個数: 20

約数和(自身を含む): 43810470

約数和(自身を除く): 24258852

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 120689, 241378, 362067, 724134, 1086201, 2172402, 3258603, 6517206, 9775809, 19551618]

約数ペア:

[(1, 19551618), (2, 9775809), (3, 6517206), (6, 3258603), (9, 2172402), (18, 1086201), (27, 724134), (54, 362067), (81, 241378), (162, 120689)]