19517868

素因数分解:

$2^2\times 3^3\times {\mathrm{127}}^1\times {\mathrm{1423}}^1$

素因数の和:1563

約数の個数: 48

約数和(自身を含む): 51036160

約数和(自身を除く): 31518292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 127, 254, 381, 508, 762, 1143, 1423, 1524, 2286, 2846, 3429, 4269, 4572, 5692, 6858, 8538, 12807, 13716, 17076, 25614, 38421, 51228, 76842, 153684, 180721, 361442, 542163, 722884, 1084326, 1626489, 2168652, 3252978, 4879467, 6505956, 9758934, 19517868]

約数ペア:

[(1, 19517868), (2, 9758934), (3, 6505956), (4, 4879467), (6, 3252978), (9, 2168652), (12, 1626489), (18, 1084326), (27, 722884), (36, 542163), (54, 361442), (108, 180721), (127, 153684), (254, 76842), (381, 51228), (508, 38421), (762, 25614), (1143, 17076), (1423, 13716), (1524, 12807), (2286, 8538), (2846, 6858), (3429, 5692), (4269, 4572)]