18759140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22877}}^1$

素因数の和:22927

約数の個数: 24

約数和(自身を含む): 40356792

約数和(自身を除く): 21597652

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 22877, 45754, 91508, 114385, 228770, 457540, 937957, 1875914, 3751828, 4689785, 9379570, 18759140]

約数ペア:

[(1, 18759140), (2, 9379570), (4, 4689785), (5, 3751828), (10, 1875914), (20, 937957), (41, 457540), (82, 228770), (164, 114385), (205, 91508), (410, 45754), (820, 22877)]