19964778

素因数分解:

$2^1\times 3^1\times {\mathrm{769}}^1\times {\mathrm{4327}}^1$

素因数の和:5101

約数の個数: 16

約数和(自身を含む): 39990720

約数和(自身を除く): 20025942

約数列:

[1, 2, 3, 6, 769, 1538, 2307, 4327, 4614, 8654, 12981, 25962, 3327463, 6654926, 9982389, 19964778]

約数ペア:

[(1, 19964778), (2, 9982389), (3, 6654926), (6, 3327463), (769, 25962), (1538, 12981), (2307, 8654), (4327, 4614)]