18562640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13649}}^1$

素因数の和:13679

約数の個数: 40

約数和(自身を含む): 45700200

約数和(自身を除く): 27137560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13649, 27298, 54596, 68245, 109192, 136490, 218384, 232033, 272980, 464066, 545960, 928132, 1091920, 1160165, 1856264, 2320330, 3712528, 4640660, 9281320, 18562640]

約数ペア:

[(1, 18562640), (2, 9281320), (4, 4640660), (5, 3712528), (8, 2320330), (10, 1856264), (16, 1160165), (17, 1091920), (20, 928132), (34, 545960), (40, 464066), (68, 272980), (80, 232033), (85, 218384), (136, 136490), (170, 109192), (272, 68245), (340, 54596), (680, 27298), (1360, 13649)]