17978902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11003}}^1$

素因数の和:11067

約数の個数: 16

約数和(自身を含む): 29050560

約数和(自身を除く): 11071658

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 11003, 22006, 209057, 418114, 473129, 946258, 8989451, 17978902]

約数ペア:

[(1, 17978902), (2, 8989451), (19, 946258), (38, 473129), (43, 418114), (86, 209057), (817, 22006), (1634, 11003)]