220199778

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{643859}}^1$

素因数の和:643886

約数の個数: 24

約数和(自身を含む): 502210800

約数和(自身を除く): 282011022

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 643859, 1287718, 1931577, 3863154, 5794731, 11589462, 12233321, 24466642, 36699963, 73399926, 110099889, 220199778]

約数ペア:

[(1, 220199778), (2, 110099889), (3, 73399926), (6, 36699963), (9, 24466642), (18, 12233321), (19, 11589462), (38, 5794731), (57, 3863154), (114, 1931577), (171, 1287718), (342, 643859)]