18664893

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5501}}^1$

素因数の和:5549

約数の個数: 24

約数和(自身を含む): 30040920

約数和(自身を除く): 11376027

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 5501, 16503, 49509, 71513, 159529, 214539, 478587, 643617, 1435761, 2073877, 6221631, 18664893]

約数ペア:

[(1, 18664893), (3, 6221631), (9, 2073877), (13, 1435761), (29, 643617), (39, 478587), (87, 214539), (117, 159529), (261, 71513), (377, 49509), (1131, 16503), (3393, 5501)]