18502220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2273}}^1$

素因数の和:2330

約数の個数: 48

約数和(自身を含む): 43551648

約数和(自身を除く): 25049428

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, 2273, 4070, 4546, 8140, 9092, 11365, 22730, 25003, 45460, 50006, 84101, 100012, 125015, 168202, 250030, 336404, 420505, 500060, 841010, 925111, 1682020, 1850222, 3700444, 4625555, 9251110, 18502220]

約数ペア:

[(1, 18502220), (2, 9251110), (4, 4625555), (5, 3700444), (10, 1850222), (11, 1682020), (20, 925111), (22, 841010), (37, 500060), (44, 420505), (55, 336404), (74, 250030), (110, 168202), (148, 125015), (185, 100012), (220, 84101), (370, 50006), (407, 45460), (740, 25003), (814, 22730), (1628, 11365), (2035, 9092), (2273, 8140), (4070, 4546)]