18787412

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29173}}^1$

素因数の和:29207

約数の個数: 24

約数和(自身を含む): 39209856

約数和(自身を除く): 20422444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 29173, 58346, 116692, 204211, 408422, 670979, 816844, 1341958, 2683916, 4696853, 9393706, 18787412]

約数ペア:

[(1, 18787412), (2, 9393706), (4, 4696853), (7, 2683916), (14, 1341958), (23, 816844), (28, 670979), (46, 408422), (92, 204211), (161, 116692), (322, 58346), (644, 29173)]