2017997961

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5057639}}^1$

素因数の和:5057668

約数の個数: 16

約数和(自身を含む): 3236889600

約数和(自身を除く): 1218891639

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5057639, 15172917, 35403473, 96095141, 106210419, 288285423, 672665987, 2017997961]

約数ペア:

[(1, 2017997961), (3, 672665987), (7, 288285423), (19, 106210419), (21, 96095141), (57, 35403473), (133, 15172917), (399, 5057639)]