18936770

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{937}}^1$

素因数の和:1034

約数の個数: 32

約数和(自身を含む): 35659008

約数和(自身を除く): 16722238

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 430, 470, 937, 1874, 2021, 4042, 4685, 9370, 10105, 20210, 40291, 44039, 80582, 88078, 201455, 220195, 402910, 440390, 1893677, 3787354, 9468385, 18936770]

約数ペア:

[(1, 18936770), (2, 9468385), (5, 3787354), (10, 1893677), (43, 440390), (47, 402910), (86, 220195), (94, 201455), (215, 88078), (235, 80582), (430, 44039), (470, 40291), (937, 20210), (1874, 10105), (2021, 9370), (4042, 4685)]