19100012

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 34188000

約数和(自身を除く): 15087988

約数列:

[1, 2, 4, 73, 146, 149, 292, 298, 439, 596, 878, 1756, 10877, 21754, 32047, 43508, 64094, 65411, 128188, 130822, 261644, 4775003, 9550006, 19100012]

約数ペア:

[(1, 19100012), (2, 9550006), (4, 4775003), (73, 261644), (146, 130822), (149, 128188), (292, 65411), (298, 64094), (439, 43508), (596, 32047), (878, 21754), (1756, 10877)]