18682780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{25247}}^1$

素因数の和:25293

約数の個数: 24

約数和(自身を含む): 40295808

約数和(自身を除く): 21613028

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 25247, 50494, 100988, 126235, 252470, 504940, 934139, 1868278, 3736556, 4670695, 9341390, 18682780]

約数ペア:

[(1, 18682780), (2, 9341390), (4, 4670695), (5, 3736556), (10, 1868278), (20, 934139), (37, 504940), (74, 252470), (148, 126235), (185, 100988), (370, 50494), (740, 25247)]