18847318

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43427}}^1$

素因数の和:43467

約数の個数: 16

約数和(自身を含む): 33352704

約数和(自身を除く): 14505386

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 43427, 86854, 303989, 607978, 1346237, 2692474, 9423659, 18847318]

約数ペア:

[(1, 18847318), (2, 9423659), (7, 2692474), (14, 1346237), (31, 607978), (62, 303989), (217, 86854), (434, 43427)]