18781428

素因数分解:

$2^2\times 3^1\times {\mathrm{443}}^1\times {\mathrm{3533}}^1$

素因数の和:3983

約数の個数: 24

約数和(自身を含む): 43934688

約数和(自身を除く): 25153260

約数列:

[1, 2, 3, 4, 6, 12, 443, 886, 1329, 1772, 2658, 3533, 5316, 7066, 10599, 14132, 21198, 42396, 1565119, 3130238, 4695357, 6260476, 9390714, 18781428]

約数ペア:

[(1, 18781428), (2, 9390714), (3, 6260476), (4, 4695357), (6, 3130238), (12, 1565119), (443, 42396), (886, 21198), (1329, 14132), (1772, 10599), (2658, 7066), (3533, 5316)]