12815728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{42157}}^1$

素因数の和:42184

約数の個数: 20

約数和(自身を含む): 26137960

約数和(自身を除く): 13322232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 42157, 84314, 168628, 337256, 674512, 800983, 1601966, 3203932, 6407864, 12815728]

約数ペア:

[(1, 12815728), (2, 6407864), (4, 3203932), (8, 1601966), (16, 800983), (19, 674512), (38, 337256), (76, 168628), (152, 84314), (304, 42157)]