18228390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{857}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 43860960

約数和(自身を除く): 25632570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709, 857, 1418, 1714, 2127, 2571, 3545, 4254, 4285, 5142, 7090, 8570, 10635, 12855, 21270, 25710, 607613, 1215226, 1822839, 3038065, 3645678, 6076130, 9114195, 18228390]

約数ペア:

[(1, 18228390), (2, 9114195), (3, 6076130), (5, 3645678), (6, 3038065), (10, 1822839), (15, 1215226), (30, 607613), (709, 25710), (857, 21270), (1418, 12855), (1714, 10635), (2127, 8570), (2571, 7090), (3545, 5142), (4254, 4285)]