18697580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2297}}^1$

素因数の和:2354

約数の個数: 48

約数和(自身を含む): 44011296

約数和(自身を除く): 25313716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 2297, 4070, 4594, 8140, 9188, 11485, 22970, 25267, 45940, 50534, 84989, 101068, 126335, 169978, 252670, 339956, 424945, 505340, 849890, 934879, 1699780, 1869758, 3739516, 4674395, 9348790, 18697580]

約数ペア:

[(1, 18697580), (2, 9348790), (4, 4674395), (5, 3739516), (10, 1869758), (11, 1699780), (20, 934879), (22, 849890), (37, 505340), (44, 424945), (55, 339956), (74, 252670), (110, 169978), (148, 126335), (185, 101068), (220, 84989), (370, 50534), (407, 45940), (740, 25267), (814, 22970), (1628, 11485), (2035, 9188), (2297, 8140), (4070, 4594)]