19639989

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{929}}^1$

素因数の和:976

約数の個数: 28

約数和(自身を含む): 30494700

約数和(自身を除く): 10854711

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 729, 783, 929, 2349, 2787, 7047, 8361, 21141, 25083, 26941, 75249, 80823, 225747, 242469, 677241, 727407, 2182221, 6546663, 19639989]

約数ペア:

[(1, 19639989), (3, 6546663), (9, 2182221), (27, 727407), (29, 677241), (81, 242469), (87, 225747), (243, 80823), (261, 75249), (729, 26941), (783, 25083), (929, 21141), (2349, 8361), (2787, 7047)]