1999996838384

素因数分解:

$2^4\times {\mathrm{39857}}^1\times {\mathrm{3136207}}^1$

素因数の和:3176072

約数の個数: 20

約数和(自身を含む): 3875092332384

約数和(自身を除く): 1875095494000

約数列:

[1, 2, 4, 8, 16, 39857, 79714, 159428, 318856, 637712, 3136207, 6272414, 12544828, 25089656, 50179312, 124999802399, 249999604798, 499999209596, 999998419192, 1999996838384]

約数ペア:

[(1, 1999996838384), (2, 999998419192), (4, 499999209596), (8, 249999604798), (16, 124999802399), (39857, 50179312), (79714, 25089656), (159428, 12544828), (318856, 6272414), (637712, 3136207)]