19637397

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1097}}^1$

素因数の和:1139

約数の個数: 40

約数和(自身を含む): 33480216

約数和(自身を除く): 13842819

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 459, 663, 1053, 1097, 1377, 1989, 3291, 5967, 9873, 14261, 17901, 18649, 29619, 42783, 55947, 88857, 128349, 167841, 242437, 385047, 503523, 727311, 1155141, 1510569, 2181933, 6545799, 19637397]

約数ペア:

[(1, 19637397), (3, 6545799), (9, 2181933), (13, 1510569), (17, 1155141), (27, 727311), (39, 503523), (51, 385047), (81, 242437), (117, 167841), (153, 128349), (221, 88857), (351, 55947), (459, 42783), (663, 29619), (1053, 18649), (1097, 17901), (1377, 14261), (1989, 9873), (3291, 5967)]