19430019

素因数分解:

$3^2\times 7^2\times {\mathrm{44059}}^1$

素因数の和:44079

約数の個数: 18

約数和(自身を含む): 32648460

約数和(自身を除く): 13218441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 44059, 132177, 308413, 396531, 925239, 2158891, 2775717, 6476673, 19430019]

約数ペア:

[(1, 19430019), (3, 6476673), (7, 2775717), (9, 2158891), (21, 925239), (49, 396531), (63, 308413), (147, 132177), (441, 44059)]