19904614

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 13169306

約数列:

[1, 2, 23, 29, 43, 46, 58, 86, 347, 667, 694, 989, 1247, 1334, 1978, 2494, 7981, 10063, 14921, 15962, 20126, 28681, 29842, 57362, 231449, 343183, 432709, 462898, 686366, 865418, 9952307, 19904614]

約数ペア:

[(1, 19904614), (2, 9952307), (23, 865418), (29, 686366), (43, 462898), (46, 432709), (58, 343183), (86, 231449), (347, 57362), (667, 29842), (694, 28681), (989, 20126), (1247, 15962), (1334, 14921), (1978, 10063), (2494, 7981)]