18055120

素因数分解:

$2^4\times 5^1\times {\mathrm{225689}}^1$

素因数の和:225702

約数の個数: 20

約数和(自身を含む): 41978340

約数和(自身を除く): 23923220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 225689, 451378, 902756, 1128445, 1805512, 2256890, 3611024, 4513780, 9027560, 18055120]

約数ペア:

[(1, 18055120), (2, 9027560), (4, 4513780), (5, 3611024), (8, 2256890), (10, 1805512), (16, 1128445), (20, 902756), (40, 451378), (80, 225689)]