18067511

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 23708160

約数和(自身を除く): 5640649

約数列:

[1, 7, 11, 41, 59, 77, 97, 287, 413, 451, 649, 679, 1067, 2419, 3157, 3977, 4543, 5723, 7469, 16933, 26609, 27839, 40061, 43747, 62953, 186263, 234643, 306229, 440671, 1642501, 2581073, 18067511]

約数ペア:

[(1, 18067511), (7, 2581073), (11, 1642501), (41, 440671), (59, 306229), (77, 234643), (97, 186263), (287, 62953), (413, 43747), (451, 40061), (649, 27839), (679, 26609), (1067, 16933), (2419, 7469), (3157, 5723), (3977, 4543)]