17890012

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8999}}^1$

素因数の和:9081

約数の個数: 24

約数和(自身を含む): 36288000

約数和(自身を除く): 18397988

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 8999, 17998, 35996, 62993, 125986, 251972, 638929, 1277858, 2555716, 4472503, 8945006, 17890012]

約数ペア:

[(1, 17890012), (2, 8945006), (4, 4472503), (7, 2555716), (14, 1277858), (28, 638929), (71, 251972), (142, 125986), (284, 62993), (497, 35996), (994, 17998), (1988, 8999)]