19863987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2437}}^1$

素因数の和:2483

約数の個数: 32

約数和(自身を含む): 32766720

約数和(自身を除く): 12902733

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2437, 2717, 7311, 8151, 26807, 31681, 46303, 80421, 95043, 138909, 348491, 509333, 601939, 1045473, 1527999, 1805817, 6621329, 19863987]

約数ペア:

[(1, 19863987), (3, 6621329), (11, 1805817), (13, 1527999), (19, 1045473), (33, 601939), (39, 509333), (57, 348491), (143, 138909), (209, 95043), (247, 80421), (429, 46303), (627, 31681), (741, 26807), (2437, 8151), (2717, 7311)]