19220980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18133}}^1$

素因数の和:18195

約数の個数: 24

約数和(自身を含む): 41127912

約数和(自身を除く): 21906932

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 18133, 36266, 72532, 90665, 181330, 362660, 961049, 1922098, 3844196, 4805245, 9610490, 19220980]

約数ペア:

[(1, 19220980), (2, 9610490), (4, 4805245), (5, 3844196), (10, 1922098), (20, 961049), (53, 362660), (106, 181330), (212, 90665), (265, 72532), (530, 36266), (1060, 18133)]