18970385

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31883}}^1$

素因数の和:31912

約数の個数: 16

約数和(自身を含む): 27547776

約数和(自身を除く): 8577391

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 31883, 159415, 223181, 542011, 1115905, 2710055, 3794077, 18970385]

約数ペア:

[(1, 18970385), (5, 3794077), (7, 2710055), (17, 1115905), (35, 542011), (85, 223181), (119, 159415), (595, 31883)]