18712376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 37376640

約数和(自身を除く): 18664264

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 223, 446, 617, 892, 1234, 1784, 2468, 3791, 4936, 7582, 10489, 15164, 20978, 30328, 41956, 83912, 137591, 275182, 550364, 1100728, 2339047, 4678094, 9356188, 18712376]

約数ペア:

[(1, 18712376), (2, 9356188), (4, 4678094), (8, 2339047), (17, 1100728), (34, 550364), (68, 275182), (136, 137591), (223, 83912), (446, 41956), (617, 30328), (892, 20978), (1234, 15164), (1784, 10489), (2468, 7582), (3791, 4936)]