18510009

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2017}}^1$

素因数の和:2069

約数の個数: 32

約数和(自身を含む): 30996480

約数和(自身を除く): 12486471

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2017, 3059, 6051, 9177, 14119, 38323, 42357, 46391, 114969, 139173, 268261, 324737, 804783, 881429, 974211, 2644287, 6170003, 18510009]

約数ペア:

[(1, 18510009), (3, 6170003), (7, 2644287), (19, 974211), (21, 881429), (23, 804783), (57, 324737), (69, 268261), (133, 139173), (161, 114969), (399, 46391), (437, 42357), (483, 38323), (1311, 14119), (2017, 9177), (3059, 6051)]