2019912940

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{557987}}^1$

素因数の和:558177

約数の個数: 24

約数和(自身を含む): 4265260272

約数和(自身を除く): 2245347332

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 557987, 1115974, 2231948, 2789935, 5579870, 11159740, 100995647, 201991294, 403982588, 504978235, 1009956470, 2019912940]

約数ペア:

[(1, 2019912940), (2, 1009956470), (4, 504978235), (5, 403982588), (10, 201991294), (20, 100995647), (181, 11159740), (362, 5579870), (724, 2789935), (905, 2231948), (1810, 1115974), (3620, 557987)]