18268019

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3541}}^1$

素因数の和:3626

約数の個数: 16

約数和(自身を含む): 23122176

約数和(自身を除く): 4854157

約数列:

[1, 7, 11, 67, 77, 469, 737, 3541, 5159, 24787, 38951, 237247, 272657, 1660729, 2609717, 18268019]

約数ペア:

[(1, 18268019), (7, 2609717), (11, 1660729), (67, 272657), (77, 237247), (469, 38951), (737, 24787), (3541, 5159)]