19770798

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{76631}}^1$

素因数の和:76679

約数の個数: 16

約数和(自身を含む): 40461696

約数和(自身を除く): 20690898

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 76631, 153262, 229893, 459786, 3295133, 6590266, 9885399, 19770798]

約数ペア:

[(1, 19770798), (2, 9885399), (3, 6590266), (6, 3295133), (43, 459786), (86, 229893), (129, 153262), (258, 76631)]