18565595139

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68005843}}^1$

素因数の和:68005866

約数の個数: 16

約数和(自身を含む): 30466618112

約数和(自身を除く): 11901022973

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 68005843, 204017529, 476040901, 884075959, 1428122703, 2652227877, 6188531713, 18565595139]

約数ペア:

[(1, 18565595139), (3, 6188531713), (7, 2652227877), (13, 1428122703), (21, 884075959), (39, 476040901), (91, 204017529), (273, 68005843)]