18873127

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1321}}^1$

素因数の和:1498

約数の個数: 16

約数和(自身を含む): 23394112

約数和(自身を除く): 4520985

約数列:

[1, 7, 13, 91, 157, 1099, 1321, 2041, 9247, 14287, 17173, 120211, 207397, 1451779, 2696161, 18873127]

約数ペア:

[(1, 18873127), (7, 2696161), (13, 1451779), (91, 207397), (157, 120211), (1099, 17173), (1321, 14287), (2041, 9247)]