18942916

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2237}}^1$

素因数の和:2343

約数の個数: 24

約数和(自身を含む): 34778520

約数和(自身を除く): 15835604

約数列:

[1, 2, 4, 29, 58, 73, 116, 146, 292, 2117, 2237, 4234, 4474, 8468, 8948, 64873, 129746, 163301, 259492, 326602, 653204, 4735729, 9471458, 18942916]

約数ペア:

[(1, 18942916), (2, 9471458), (4, 4735729), (29, 653204), (58, 326602), (73, 259492), (116, 163301), (146, 129746), (292, 64873), (2117, 8948), (2237, 8468), (4234, 4474)]