19272337

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 23528232

約数和(自身を除く): 4255895

約数列:

[1, 7, 41, 49, 53, 181, 287, 371, 1267, 2009, 2173, 2597, 7421, 8869, 9593, 15211, 51947, 67151, 106477, 363629, 393313, 470057, 2753191, 19272337]

約数ペア:

[(1, 19272337), (7, 2753191), (41, 470057), (49, 393313), (53, 363629), (181, 106477), (287, 67151), (371, 51947), (1267, 15211), (2009, 9593), (2173, 8869), (2597, 7421)]