18729123

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2963}}^1$

素因数の和:3023

約数の個数: 24

約数和(自身を含む): 29734848

約数和(自身を除く): 11005725

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 2963, 6321, 8889, 20741, 62223, 127409, 145187, 382227, 435561, 891863, 2675589, 6243041, 18729123]

約数ペア:

[(1, 18729123), (3, 6243041), (7, 2675589), (21, 891863), (43, 435561), (49, 382227), (129, 145187), (147, 127409), (301, 62223), (903, 20741), (2107, 8889), (2963, 6321)]