19489806

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{154681}}^1$

素因数の和:154696

約数の個数: 24

約数和(自身を含む): 48260784

約数和(自身を除く): 28770978

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 154681, 309362, 464043, 928086, 1082767, 1392129, 2165534, 2784258, 3248301, 6496602, 9744903, 19489806]

約数ペア:

[(1, 19489806), (2, 9744903), (3, 6496602), (6, 3248301), (7, 2784258), (9, 2165534), (14, 1392129), (18, 1082767), (21, 928086), (42, 464043), (63, 309362), (126, 154681)]