18273983

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8731}}^1$

素因数の和:8774

約数の個数: 16

約数和(自身を含む): 23471616

約数和(自身を除く): 5197633

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 8731, 61117, 113503, 200813, 794521, 1405691, 2610569, 18273983]

約数ペア:

[(1, 18273983), (7, 2610569), (13, 1405691), (23, 794521), (91, 200813), (161, 113503), (299, 61117), (2093, 8731)]