19929276

素因数分解:

$2^2\times 3^2\times {\mathrm{553591}}^1$

素因数の和:553601

約数の個数: 18

約数和(自身を含む): 50376872

約数和(自身を除く): 30447596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 553591, 1107182, 1660773, 2214364, 3321546, 4982319, 6643092, 9964638, 19929276]

約数ペア:

[(1, 19929276), (2, 9964638), (3, 6643092), (4, 4982319), (6, 3321546), (9, 2214364), (12, 1660773), (18, 1107182), (36, 553591)]