19489418

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^2\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 36

約数和(自身を含む): 33395670

約数和(自身を除く): 13906252

約数列:

[1, 2, 13, 23, 26, 46, 109, 169, 218, 299, 338, 529, 598, 1058, 1417, 2507, 2834, 3887, 5014, 6877, 7774, 13754, 18421, 32591, 36842, 57661, 65182, 89401, 115322, 178802, 423683, 749593, 847366, 1499186, 9744709, 19489418]

約数ペア:

[(1, 19489418), (2, 9744709), (13, 1499186), (23, 847366), (26, 749593), (46, 423683), (109, 178802), (169, 115322), (218, 89401), (299, 65182), (338, 57661), (529, 36842), (598, 32591), (1058, 18421), (1417, 13754), (2507, 7774), (2834, 6877), (3887, 5014)]