19427158

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 34261200

約数和(自身を除く): 14834042

約数列:

[1, 2, 17, 19, 29, 34, 38, 58, 61, 122, 289, 323, 493, 551, 578, 646, 986, 1037, 1102, 1159, 1769, 2074, 2318, 3538, 5491, 8381, 9367, 10982, 16762, 17629, 18734, 19703, 30073, 33611, 35258, 39406, 60146, 67222, 159239, 318478, 334951, 511241, 571387, 669902, 1022482, 1142774, 9713579, 19427158]

約数ペア:

[(1, 19427158), (2, 9713579), (17, 1142774), (19, 1022482), (29, 669902), (34, 571387), (38, 511241), (58, 334951), (61, 318478), (122, 159239), (289, 67222), (323, 60146), (493, 39406), (551, 35258), (578, 33611), (646, 30073), (986, 19703), (1037, 18734), (1102, 17629), (1159, 16762), (1769, 10982), (2074, 9367), (2318, 8381), (3538, 5491)]