18391130

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25903}}^1$

素因数の和:25981

約数の個数: 16

約数和(自身を含む): 33571584

約数和(自身を除く): 15180454

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 25903, 51806, 129515, 259030, 1839113, 3678226, 9195565, 18391130]

約数ペア:

[(1, 18391130), (2, 9195565), (5, 3678226), (10, 1839113), (71, 259030), (142, 129515), (355, 51806), (710, 25903)]