19983476

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 36013824

約数和(自身を除く): 16030348

約数列:

[1, 2, 4, 43, 86, 172, 223, 446, 521, 892, 1042, 2084, 9589, 19178, 22403, 38356, 44806, 89612, 116183, 232366, 464732, 4995869, 9991738, 19983476]

約数ペア:

[(1, 19983476), (2, 9991738), (4, 4995869), (43, 464732), (86, 232366), (172, 116183), (223, 89612), (446, 44806), (521, 38356), (892, 22403), (1042, 19178), (2084, 9589)]