18572990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:1016

約数の個数: 32

約数和(自身を含む): 34974720

約数和(自身を除く): 16401730

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 430, 470, 919, 1838, 2021, 4042, 4595, 9190, 10105, 20210, 39517, 43193, 79034, 86386, 197585, 215965, 395170, 431930, 1857299, 3714598, 9286495, 18572990]

約数ペア:

[(1, 18572990), (2, 9286495), (5, 3714598), (10, 1857299), (43, 431930), (47, 395170), (86, 215965), (94, 197585), (215, 86386), (235, 79034), (430, 43193), (470, 39517), (919, 20210), (1838, 10105), (2021, 9190), (4042, 4595)]