18364913

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 23595264

約数和(自身を除く): 5230351

約数列:

[1, 7, 17, 37, 43, 97, 119, 259, 301, 629, 679, 731, 1591, 1649, 3589, 4171, 4403, 5117, 11137, 11543, 25123, 27047, 29197, 61013, 70907, 154327, 189329, 427091, 496349, 1080289, 2623559, 18364913]

約数ペア:

[(1, 18364913), (7, 2623559), (17, 1080289), (37, 496349), (43, 427091), (97, 189329), (119, 154327), (259, 70907), (301, 61013), (629, 29197), (679, 27047), (731, 25123), (1591, 11543), (1649, 11137), (3589, 5117), (4171, 4403)]