18163444

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:404

約数の個数: 36

約数和(自身を含む): 34899564

約数和(自身を除く): 16736120

約数列:

[1, 2, 4, 13, 26, 52, 97, 169, 194, 277, 338, 388, 554, 676, 1108, 1261, 2522, 3601, 5044, 7202, 14404, 16393, 26869, 32786, 46813, 53738, 65572, 93626, 107476, 187252, 349297, 698594, 1397188, 4540861, 9081722, 18163444]

約数ペア:

[(1, 18163444), (2, 9081722), (4, 4540861), (13, 1397188), (26, 698594), (52, 349297), (97, 187252), (169, 107476), (194, 93626), (277, 65572), (338, 53738), (388, 46813), (554, 32786), (676, 26869), (1108, 16393), (1261, 14404), (2522, 7202), (3601, 5044)]