18881111230

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43909561}}^1$

素因数の和:43909611

約数の個数: 16

約数和(自身を含む): 34776373104

約数和(自身を除く): 15895261874

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 43909561, 87819122, 219547805, 439095610, 1888111123, 3776222246, 9440555615, 18881111230]

約数ペア:

[(1, 18881111230), (2, 9440555615), (5, 3776222246), (10, 1888111123), (43, 439095610), (86, 219547805), (215, 87819122), (430, 43909561)]