19883615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4673}}^1$

素因数の和:4738

約数の個数: 16

約数和(自身を含む): 25576128

約数和(自身を除く): 5692513

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 4673, 23365, 107479, 172901, 537395, 864505, 3976723, 19883615]

約数ペア:

[(1, 19883615), (5, 3976723), (23, 864505), (37, 537395), (115, 172901), (185, 107479), (851, 23365), (4255, 4673)]