19218087

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4421}}^1$

素因数の和:4460

約数の個数: 32

約数和(自身を含む): 33960960

約数和(自身を除く): 14742873

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4421, 13263, 30947, 39789, 92841, 101683, 119367, 278523, 305049, 711781, 835569, 915147, 2135343, 2745441, 6406029, 19218087]

約数ペア:

[(1, 19218087), (3, 6406029), (7, 2745441), (9, 2135343), (21, 915147), (23, 835569), (27, 711781), (63, 305049), (69, 278523), (161, 119367), (189, 101683), (207, 92841), (483, 39789), (621, 30947), (1449, 13263), (4347, 4421)]