18907749

素因数分解:

$3^4\times 7^1\times {\mathrm{33347}}^1$

素因数の和:33366

約数の個数: 20

約数和(自身を含む): 32280864

約数和(自身を除く): 13373115

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33347, 100041, 233429, 300123, 700287, 900369, 2100861, 2701107, 6302583, 18907749]

約数ペア:

[(1, 18907749), (3, 6302583), (7, 2701107), (9, 2100861), (21, 900369), (27, 700287), (63, 300123), (81, 233429), (189, 100041), (567, 33347)]