19801242

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{25583}}^1$

素因数の和:25634

約数の個数: 24

約数和(自身を含む): 43902144

約数和(自身を除く): 24100902

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 25583, 51166, 76749, 153498, 230247, 460494, 1100069, 2200138, 3300207, 6600414, 9900621, 19801242]

約数ペア:

[(1, 19801242), (2, 9900621), (3, 6600414), (6, 3300207), (9, 2200138), (18, 1100069), (43, 460494), (86, 230247), (129, 153498), (258, 76749), (387, 51166), (774, 25583)]