9091690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 17424000

約数和(自身を除く): 8332310

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 439, 545, 878, 1090, 2071, 2195, 4142, 4390, 8341, 10355, 16682, 20710, 41705, 47851, 83410, 95702, 239255, 478510, 909169, 1818338, 4545845, 9091690]

約数ペア:

[(1, 9091690), (2, 4545845), (5, 1818338), (10, 909169), (19, 478510), (38, 239255), (95, 95702), (109, 83410), (190, 47851), (218, 41705), (439, 20710), (545, 16682), (878, 10355), (1090, 8341), (2071, 4390), (2195, 4142)]