18916115

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2399}}^1$

素因数の和:2506

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 5275885

約数列:

[1, 5, 19, 83, 95, 415, 1577, 2399, 7885, 11995, 45581, 199117, 227905, 995585, 3783223, 18916115]

約数ペア:

[(1, 18916115), (5, 3783223), (19, 995585), (83, 227905), (95, 199117), (415, 45581), (1577, 11995), (2399, 7885)]