2018986420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9177211}}^1$

素因数の和:9177231

約数の個数: 24

約数和(自身を含む): 4625314848

約数和(自身を除く): 2606328428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9177211, 18354422, 36708844, 45886055, 91772110, 100949321, 183544220, 201898642, 403797284, 504746605, 1009493210, 2018986420]

約数ペア:

[(1, 2018986420), (2, 1009493210), (4, 504746605), (5, 403797284), (10, 201898642), (11, 183544220), (20, 100949321), (22, 91772110), (44, 45886055), (55, 36708844), (110, 18354422), (220, 9177211)]