19800252

素因数分解:

$2^2\times 3^2\times {\mathrm{550007}}^1$

素因数の和:550017

約数の個数: 18

約数和(自身を含む): 50050728

約数和(自身を除く): 30250476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550007, 1100014, 1650021, 2200028, 3300042, 4950063, 6600084, 9900126, 19800252]

約数ペア:

[(1, 19800252), (2, 9900126), (3, 6600084), (4, 4950063), (6, 3300042), (9, 2200028), (12, 1650021), (18, 1100014), (36, 550007)]