19080681

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2383}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 27120384

約数和(自身を除く): 8039703

約数列:

[1, 3, 17, 51, 157, 471, 2383, 2669, 7149, 8007, 40511, 121533, 374131, 1122393, 6360227, 19080681]

約数ペア:

[(1, 19080681), (3, 6360227), (17, 1122393), (51, 374131), (157, 121533), (471, 40511), (2383, 8007), (2669, 7149)]