1997090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 3957120

約数和(自身を除く): 1960030

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 457, 874, 914, 2185, 2285, 4370, 4570, 8683, 10511, 17366, 21022, 43415, 52555, 86830, 105110, 199709, 399418, 998545, 1997090]

約数ペア:

[(1, 1997090), (2, 998545), (5, 399418), (10, 199709), (19, 105110), (23, 86830), (38, 52555), (46, 43415), (95, 21022), (115, 17366), (190, 10511), (230, 8683), (437, 4570), (457, 4370), (874, 2285), (914, 2185)]