18898930

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43951}}^1$

素因数の和:44001

約数の個数: 16

約数和(自身を含む): 34809984

約数和(自身を除く): 15911054

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 43951, 87902, 219755, 439510, 1889893, 3779786, 9449465, 18898930]

約数ペア:

[(1, 18898930), (2, 9449465), (5, 3779786), (10, 1889893), (43, 439510), (86, 219755), (215, 87902), (430, 43951)]