19416789

素因数分解:

$3^2\times 7^2\times {\mathrm{44029}}^1$

素因数の和:44049

約数の個数: 18

約数和(自身を含む): 32626230

約数和(自身を除く): 13209441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 44029, 132087, 308203, 396261, 924609, 2157421, 2773827, 6472263, 19416789]

約数ペア:

[(1, 19416789), (3, 6472263), (7, 2773827), (9, 2157421), (21, 924609), (49, 396261), (63, 308203), (147, 132087), (441, 44029)]