19865367

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{827}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 30612816

約数和(自身を除く): 10747449

約数列:

[1, 3, 9, 17, 51, 153, 157, 471, 827, 1413, 2481, 2669, 7443, 8007, 14059, 24021, 42177, 126531, 129839, 389517, 1168551, 2207263, 6621789, 19865367]

約数ペア:

[(1, 19865367), (3, 6621789), (9, 2207263), (17, 1168551), (51, 389517), (153, 129839), (157, 126531), (471, 42177), (827, 24021), (1413, 14059), (2481, 8007), (2669, 7443)]