19845111645

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{936311}}^1$

素因数の和:936482

約数の個数: 32

約数和(自身を含む): 35504951040

約数和(自身を除く): 15659839395

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 1413, 2355, 4239, 7065, 21195, 936311, 2808933, 4681555, 8426799, 14044665, 25280397, 42133995, 126401985, 147000827, 441002481, 735004135, 1323007443, 2205012405, 3969022329, 6615037215, 19845111645]

約数ペア:

[(1, 19845111645), (3, 6615037215), (5, 3969022329), (9, 2205012405), (15, 1323007443), (27, 735004135), (45, 441002481), (135, 147000827), (157, 126401985), (471, 42133995), (785, 25280397), (1413, 14044665), (2355, 8426799), (4239, 4681555), (7065, 2808933), (21195, 936311)]