18899091

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1399}}^1$

素因数の和:1503

約数の個数: 24

約数和(自身を含む): 29120000

約数和(自身を除く): 10220909

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 1399, 1501, 4197, 4503, 12591, 13509, 26581, 79743, 110521, 239229, 331563, 994689, 2099899, 6299697, 18899091]

約数ペア:

[(1, 18899091), (3, 6299697), (9, 2099899), (19, 994689), (57, 331563), (79, 239229), (171, 110521), (237, 79743), (711, 26581), (1399, 13509), (1501, 12591), (4197, 4503)]