18973058

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 32592000

約数和(自身を除く): 13618942

約数列:

[1, 2, 13, 19, 26, 38, 193, 199, 247, 386, 398, 494, 2509, 2587, 3667, 3781, 5018, 5174, 7334, 7562, 38407, 47671, 49153, 76814, 95342, 98306, 499291, 729733, 998582, 1459466, 9486529, 18973058]

約数ペア:

[(1, 18973058), (2, 9486529), (13, 1459466), (19, 998582), (26, 729733), (38, 499291), (193, 98306), (199, 95342), (247, 76814), (386, 49153), (398, 47671), (494, 38407), (2509, 7562), (2587, 7334), (3667, 5174), (3781, 5018)]