19856884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6791}}^1$

素因数の和:6855

約数の個数: 24

約数和(自身を含む): 37654848

約数和(自身を除く): 17797964

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 6791, 13582, 27164, 115447, 230894, 292013, 461788, 584026, 1168052, 4964221, 9928442, 19856884]

約数ペア:

[(1, 19856884), (2, 9928442), (4, 4964221), (17, 1168052), (34, 584026), (43, 461788), (68, 292013), (86, 230894), (172, 115447), (731, 27164), (1462, 13582), (2924, 6791)]