19824415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8243}}^1$

素因数の和:8298

約数の個数: 16

約数和(自身を含む): 26314848

約数和(自身を除く): 6490433

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 8243, 41215, 107159, 304991, 535795, 1524955, 3964883, 19824415]

約数ペア:

[(1, 19824415), (5, 3964883), (13, 1524955), (37, 535795), (65, 304991), (185, 107159), (481, 41215), (2405, 8243)]