19814364

素因数分解:

$2^2\times 3^2\times {\mathrm{277}}^1\times {\mathrm{1987}}^1$

素因数の和:2274

約数の個数: 36

約数和(自身を含む): 50292424

約数和(自身を除く): 30478060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 277, 554, 831, 1108, 1662, 1987, 2493, 3324, 3974, 4986, 5961, 7948, 9972, 11922, 17883, 23844, 35766, 71532, 550399, 1100798, 1651197, 2201596, 3302394, 4953591, 6604788, 9907182, 19814364]

約数ペア:

[(1, 19814364), (2, 9907182), (3, 6604788), (4, 4953591), (6, 3302394), (9, 2201596), (12, 1651197), (18, 1100798), (36, 550399), (277, 71532), (554, 35766), (831, 23844), (1108, 17883), (1662, 11922), (1987, 9972), (2493, 7948), (3324, 5961), (3974, 4986)]