19454743

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 24786944

約数和(自身を除く): 5332201

約数列:

[1, 7, 11, 77, 103, 121, 223, 721, 847, 1133, 1561, 2453, 7931, 12463, 17171, 22969, 26983, 87241, 160783, 188881, 252659, 1768613, 2779249, 19454743]

約数ペア:

[(1, 19454743), (7, 2779249), (11, 1768613), (77, 252659), (103, 188881), (121, 160783), (223, 87241), (721, 26983), (847, 22969), (1133, 17171), (1561, 12463), (2453, 7931)]