18944335

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 4279985

約数列:

[1, 5, 83, 191, 239, 415, 955, 1195, 15853, 19837, 45649, 79265, 99185, 228245, 3788867, 18944335]

約数ペア:

[(1, 18944335), (5, 3788867), (83, 228245), (191, 99185), (239, 79265), (415, 45649), (955, 19837), (1195, 15853)]