18306379

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5437}}^1$

素因数の和:5494

約数の個数: 16

約数和(自身を含む): 23144128

約数和(自身を除く): 4837749

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 5437, 38059, 70681, 201169, 494767, 1408183, 2615197, 18306379]

約数ペア:

[(1, 18306379), (7, 2615197), (13, 1408183), (37, 494767), (91, 201169), (259, 70681), (481, 38059), (3367, 5437)]