19389601

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8123}}^1$

素因数の和:8172

約数の個数: 16

約数和(自身を含む): 24956928

約数和(自身を除く): 5567327

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 8123, 56861, 89353, 251813, 625471, 1762691, 2769943, 19389601]

約数ペア:

[(1, 19389601), (7, 2769943), (11, 1762691), (31, 625471), (77, 251813), (217, 89353), (341, 56861), (2387, 8123)]