219937982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{22567}}^1$

素因数の和:23023

約数の個数: 16

約数和(自身を含む): 360726912

約数和(自身を除く): 140788930

約数列:

[1, 2, 11, 22, 443, 886, 4873, 9746, 22567, 45134, 248237, 496474, 9997181, 19994362, 109968991, 219937982]

約数ペア:

[(1, 219937982), (2, 109968991), (11, 19994362), (22, 9997181), (443, 496474), (886, 248237), (4873, 45134), (9746, 22567)]