18651842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{11941}}^1$

素因数の和:12025

約数の個数: 16

約数和(自身を含む): 30953664

約数和(自身を除く): 12301822

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 11941, 23882, 131351, 262702, 847811, 1695622, 9325921, 18651842]

約数ペア:

[(1, 18651842), (2, 9325921), (11, 1695622), (22, 847811), (71, 262702), (142, 131351), (781, 23882), (1562, 11941)]