18257727

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 26784000

約数和(自身を除く): 8526273

約数列:

[1, 3, 19, 57, 59, 61, 89, 177, 183, 267, 1121, 1159, 1691, 3363, 3477, 3599, 5073, 5251, 5429, 10797, 15753, 16287, 68381, 99769, 103151, 205143, 299307, 309453, 320311, 960933, 6085909, 18257727]

約数ペア:

[(1, 18257727), (3, 6085909), (19, 960933), (57, 320311), (59, 309453), (61, 299307), (89, 205143), (177, 103151), (183, 99769), (267, 68381), (1121, 16287), (1159, 15753), (1691, 10797), (3363, 5429), (3477, 5251), (3599, 5073)]