18284374

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1987}}^1$

素因数の和:2139

約数の個数: 16

約数和(自身を含む): 28340928

約数和(自身を除く): 10056554

約数列:

[1, 2, 43, 86, 107, 214, 1987, 3974, 4601, 9202, 85441, 170882, 212609, 425218, 9142187, 18284374]

約数ペア:

[(1, 18284374), (2, 9142187), (43, 425218), (86, 212609), (107, 170882), (214, 85441), (1987, 9202), (3974, 4601)]