18997818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{452329}}^1$

素因数の和:452341

約数の個数: 16

約数和(自身を含む): 43423680

約数和(自身を除く): 24425862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 452329, 904658, 1356987, 2713974, 3166303, 6332606, 9498909, 18997818]

約数ペア:

[(1, 18997818), (2, 9498909), (3, 6332606), (6, 3166303), (7, 2713974), (14, 1356987), (21, 904658), (42, 452329)]