138495978

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{404959}}^1$

素因数の和:404986

約数の個数: 24

約数和(自身を含む): 315868800

約数和(自身を除く): 177372822

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 404959, 809918, 1214877, 2429754, 3644631, 7289262, 7694221, 15388442, 23082663, 46165326, 69247989, 138495978]

約数ペア:

[(1, 138495978), (2, 69247989), (3, 46165326), (6, 23082663), (9, 15388442), (18, 7694221), (19, 7289262), (38, 3644631), (57, 2429754), (114, 1214877), (171, 809918), (342, 404959)]