20189231

素因数分解:

${\mathrm{43}}^2\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:326

約数の個数: 12

約数和(自身を含む): 21125880

約数和(自身を除く): 936649

約数列:

[1, 43, 61, 179, 1849, 2623, 7697, 10919, 112789, 330971, 469517, 20189231]

約数ペア:

[(1, 20189231), (43, 469517), (61, 330971), (179, 112789), (1849, 10919), (2623, 7697)]