19743409

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 24022656

約数和(自身を除く): 4279247

約数列:

[1, 7, 17, 119, 251, 661, 1757, 4267, 4627, 11237, 29869, 78659, 165911, 1161377, 2820487, 19743409]

約数ペア:

[(1, 19743409), (7, 2820487), (17, 1161377), (119, 165911), (251, 78659), (661, 29869), (1757, 11237), (4267, 4627)]