19954593

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10711}}^1$

素因数の和:10746

約数の個数: 20

約数和(自身を含む): 31107648

約数和(自身を除く): 11153055

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10711, 32133, 96399, 246353, 289197, 739059, 867591, 2217177, 6651531, 19954593]

約数ペア:

[(1, 19954593), (3, 6651531), (9, 2217177), (23, 867591), (27, 739059), (69, 289197), (81, 246353), (207, 96399), (621, 32133), (1863, 10711)]