18365373

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:295

約数の個数: 40

約数和(自身を含む): 30004128

約数和(自身を除く): 11638755

約数列:

[1, 3, 9, 13, 27, 39, 81, 107, 117, 163, 321, 351, 489, 963, 1053, 1391, 1467, 2119, 2889, 4173, 4401, 6357, 8667, 12519, 13203, 17441, 19071, 37557, 52323, 57213, 112671, 156969, 171639, 226733, 470907, 680199, 1412721, 2040597, 6121791, 18365373]

約数ペア:

[(1, 18365373), (3, 6121791), (9, 2040597), (13, 1412721), (27, 680199), (39, 470907), (81, 226733), (107, 171639), (117, 156969), (163, 112671), (321, 57213), (351, 52323), (489, 37557), (963, 19071), (1053, 17441), (1391, 13203), (1467, 12519), (2119, 8667), (2889, 6357), (4173, 4401)]