221920912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{730003}}^1$

素因数の和:730030

約数の個数: 20

約数和(自身を含む): 452602480

約数和(自身を除く): 230681568

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 730003, 1460006, 2920012, 5840024, 11680048, 13870057, 27740114, 55480228, 110960456, 221920912]

約数ペア:

[(1, 221920912), (2, 110960456), (4, 55480228), (8, 27740114), (16, 13870057), (19, 11680048), (38, 5840024), (76, 2920012), (152, 1460006), (304, 730003)]