18479842

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:645

約数の個数: 16

約数和(自身を含む): 28127160

約数和(自身を除く): 9647318

約数列:

[1, 2, 157, 229, 257, 314, 458, 514, 35953, 40349, 58853, 71906, 80698, 117706, 9239921, 18479842]

約数ペア:

[(1, 18479842), (2, 9239921), (157, 117706), (229, 80698), (257, 71906), (314, 58853), (458, 40349), (514, 35953)]