19489713

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2473}}^1$

素因数の和:2584

約数の個数: 16

約数和(自身を含む): 27075456

約数和(自身を除く): 7585743

約数列:

[1, 3, 37, 71, 111, 213, 2473, 2627, 7419, 7881, 91501, 175583, 274503, 526749, 6496571, 19489713]

約数ペア:

[(1, 19489713), (3, 6496571), (37, 526749), (71, 274503), (111, 175583), (213, 91501), (2473, 7881), (2627, 7419)]