18917145

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3593}}^1$

素因数の和:3623

約数の個数: 40

約数和(自身を含む): 36529416

約数和(自身を除く): 17612271

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 3593, 5265, 10779, 17965, 32337, 46709, 53895, 97011, 140127, 161685, 233545, 291033, 420381, 485055, 700635, 1261143, 1455165, 2101905, 3783429, 6305715, 18917145]

約数ペア:

[(1, 18917145), (3, 6305715), (5, 3783429), (9, 2101905), (13, 1455165), (15, 1261143), (27, 700635), (39, 485055), (45, 420381), (65, 291033), (81, 233545), (117, 161685), (135, 140127), (195, 97011), (351, 53895), (405, 46709), (585, 32337), (1053, 17965), (1755, 10779), (3593, 5265)]