18821438465

素因数分解:

$5^1\times {\mathrm{463}}^1\times {\mathrm{2399}}^1\times {\mathrm{3389}}^1$

素因数の和:6256

約数の個数: 16

約数和(自身を含む): 22650624000

約数和(自身を除く): 3829185535

約数列:

[1, 5, 463, 2315, 2399, 3389, 11995, 16945, 1110737, 1569107, 5553685, 7845535, 8130211, 40651055, 3764287693, 18821438465]

約数ペア:

[(1, 18821438465), (5, 3764287693), (463, 40651055), (2315, 8130211), (2399, 7845535), (3389, 5553685), (11995, 1569107), (16945, 1110737)]