19218807

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{937}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 28972944

約数和(自身を除く): 9754137

約数列:

[1, 3, 9, 43, 53, 129, 159, 387, 477, 937, 2279, 2811, 6837, 8433, 20511, 40291, 49661, 120873, 148983, 362619, 446949, 2135423, 6406269, 19218807]

約数ペア:

[(1, 19218807), (3, 6406269), (9, 2135423), (43, 446949), (53, 362619), (129, 148983), (159, 120873), (387, 49661), (477, 40291), (937, 20511), (2279, 8433), (2811, 6837)]