19802196

素因数分解:

$2^2\times 3^2\times {\mathrm{550061}}^1$

素因数の和:550071

約数の個数: 18

約数和(自身を含む): 50055642

約数和(自身を除く): 30253446

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550061, 1100122, 1650183, 2200244, 3300366, 4950549, 6600732, 9901098, 19802196]

約数ペア:

[(1, 19802196), (2, 9901098), (3, 6600732), (4, 4950549), (6, 3300366), (9, 2200244), (12, 1650183), (18, 1100122), (36, 550061)]