19919898

素因数分解:

$2^1\times 3^3\times {\mathrm{293}}^1\times {\mathrm{1259}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 44452800

約数和(自身を除く): 24532902

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 293, 586, 879, 1259, 1758, 2518, 2637, 3777, 5274, 7554, 7911, 11331, 15822, 22662, 33993, 67986, 368887, 737774, 1106661, 2213322, 3319983, 6639966, 9959949, 19919898]

約数ペア:

[(1, 19919898), (2, 9959949), (3, 6639966), (6, 3319983), (9, 2213322), (18, 1106661), (27, 737774), (54, 368887), (293, 67986), (586, 33993), (879, 22662), (1259, 15822), (1758, 11331), (2518, 7911), (2637, 7554), (3777, 5274)]