18271130

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42491}}^1$

素因数の和:42541

約数の個数: 16

約数和(自身を含む): 33653664

約数和(自身を除く): 15382534

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 42491, 84982, 212455, 424910, 1827113, 3654226, 9135565, 18271130]

約数ペア:

[(1, 18271130), (2, 9135565), (5, 3654226), (10, 1827113), (43, 424910), (86, 212455), (215, 84982), (430, 42491)]