19839721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{797}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 22675968

約数和(自身を除く): 2836247

約数列:

[1, 11, 31, 73, 341, 797, 803, 2263, 8767, 24707, 24893, 58181, 271777, 639991, 1803611, 19839721]

約数ペア:

[(1, 19839721), (11, 1803611), (31, 639991), (73, 271777), (341, 58181), (797, 24893), (803, 24707), (2263, 8767)]