19551343

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:524

約数の個数: 20

約数和(自身を含む): 24200640

約数和(自身を除く): 4649297

約数列:

[1, 7, 17, 49, 119, 343, 479, 833, 2401, 3353, 5831, 8143, 23471, 40817, 57001, 164297, 399007, 1150079, 2793049, 19551343]

約数ペア:

[(1, 19551343), (7, 2793049), (17, 1150079), (49, 399007), (119, 164297), (343, 57001), (479, 40817), (833, 23471), (2401, 8143), (3353, 5831)]