18464415

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28627}}^1$

素因数の和:28678

約数の個数: 16

約数和(自身を含む): 30231168

約数和(自身を除く): 11766753

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 28627, 85881, 143135, 429405, 1230961, 3692883, 6154805, 18464415]

約数ペア:

[(1, 18464415), (3, 6154805), (5, 3692883), (15, 1230961), (43, 429405), (129, 143135), (215, 85881), (645, 28627)]