19813284

素因数分解:

$2^2\times 3^2\times {\mathrm{550369}}^1$

素因数の和:550379

約数の個数: 18

約数和(自身を含む): 50083670

約数和(自身を除く): 30270386

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550369, 1100738, 1651107, 2201476, 3302214, 4953321, 6604428, 9906642, 19813284]

約数ペア:

[(1, 19813284), (2, 9906642), (3, 6604428), (4, 4953321), (6, 3302214), (9, 2201476), (12, 1651107), (18, 1100738), (36, 550369)]