18994205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8693}}^1$

素因数の和:8740

約数の個数: 16

約数和(自身を含む): 25038720

約数和(自身を除く): 6044515

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 8693, 43465, 165167, 199939, 825835, 999695, 3798841, 18994205]

約数ペア:

[(1, 18994205), (5, 3798841), (19, 999695), (23, 825835), (95, 199939), (115, 165167), (437, 43465), (2185, 8693)]