18990610

素因数分解:

$2^1\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1471}}^1$

素因数の和:2769

約数の個数: 16

約数和(自身を含む): 34232832

約数和(自身を除く): 15242222

約数列:

[1, 2, 5, 10, 1291, 1471, 2582, 2942, 6455, 7355, 12910, 14710, 1899061, 3798122, 9495305, 18990610]

約数ペア:

[(1, 18990610), (2, 9495305), (5, 3798122), (10, 1899061), (1291, 14710), (1471, 12910), (2582, 7355), (2942, 6455)]