18871908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{142969}}^1$

素因数の和:142987

約数の個数: 24

約数和(自身を含む): 48037920

約数和(自身を除く): 29166012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 142969, 285938, 428907, 571876, 857814, 1572659, 1715628, 3145318, 4717977, 6290636, 9435954, 18871908]

約数ペア:

[(1, 18871908), (2, 9435954), (3, 6290636), (4, 4717977), (6, 3145318), (11, 1715628), (12, 1572659), (22, 857814), (33, 571876), (44, 428907), (66, 285938), (132, 142969)]