19402479

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{941}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 29390400

約数和(自身を除く): 9987921

約数列:

[1, 3, 9, 29, 79, 87, 237, 261, 711, 941, 2291, 2823, 6873, 8469, 20619, 27289, 74339, 81867, 223017, 245601, 669051, 2155831, 6467493, 19402479]

約数ペア:

[(1, 19402479), (3, 6467493), (9, 2155831), (29, 669051), (79, 245601), (87, 223017), (237, 81867), (261, 74339), (711, 27289), (941, 20619), (2291, 8469), (2823, 6873)]