18740046

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{240257}}^1$

素因数の和:240275

約数の個数: 16

約数和(自身を含む): 40363344

約数和(自身を除く): 21623298

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 240257, 480514, 720771, 1441542, 3123341, 6246682, 9370023, 18740046]

約数ペア:

[(1, 18740046), (2, 9370023), (3, 6246682), (6, 3123341), (13, 1441542), (26, 720771), (39, 480514), (78, 240257)]