19623788

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 35028000

約数和(自身を除く): 15404212

約数列:

[1, 2, 4, 89, 178, 199, 277, 356, 398, 554, 796, 1108, 17711, 24653, 35422, 49306, 55123, 70844, 98612, 110246, 220492, 4905947, 9811894, 19623788]

約数ペア:

[(1, 19623788), (2, 9811894), (4, 4905947), (89, 220492), (178, 110246), (199, 98612), (277, 70844), (356, 55123), (398, 49306), (554, 35422), (796, 24653), (1108, 17711)]