19608813

素因数分解:

$3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{709}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 32489600

約数和(自身を除く): 12880787

約数列:

[1, 3, 7, 9, 21, 63, 439, 709, 1317, 2127, 3073, 3951, 4963, 6381, 9219, 14889, 27657, 44667, 311251, 933753, 2178757, 2801259, 6536271, 19608813]

約数ペア:

[(1, 19608813), (3, 6536271), (7, 2801259), (9, 2178757), (21, 933753), (63, 311251), (439, 44667), (709, 27657), (1317, 14889), (2127, 9219), (3073, 6381), (3951, 4963)]