18974709

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{54059}}^1$

素因数の和:54081

約数の個数: 16

約数和(自身を含む): 30273600

約数和(自身を除く): 11298891

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 54059, 162177, 486531, 702767, 1459593, 2108301, 6324903, 18974709]

約数ペア:

[(1, 18974709), (3, 6324903), (9, 2108301), (13, 1459593), (27, 702767), (39, 486531), (117, 162177), (351, 54059)]