2018987260

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{478433}}^1$

素因数の和:478653

約数の個数: 24

約数和(自身を含む): 4259976336

約数和(自身を除く): 2240989076

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 478433, 956866, 1913732, 2392165, 4784330, 9568660, 100949363, 201898726, 403797452, 504746815, 1009493630, 2018987260]

約数ペア:

[(1, 2018987260), (2, 1009493630), (4, 504746815), (5, 403797452), (10, 201898726), (20, 100949363), (211, 9568660), (422, 4784330), (844, 2392165), (1055, 1913732), (2110, 956866), (4220, 478433)]