19018538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 36516480

約数和(自身を除く): 17497942

約数列:

[1, 2, 7, 11, 14, 22, 77, 103, 109, 121, 154, 206, 218, 242, 721, 763, 847, 1133, 1199, 1442, 1526, 1694, 2266, 2398, 7931, 8393, 11227, 12463, 13189, 15862, 16786, 22454, 24926, 26378, 78589, 87241, 92323, 123497, 157178, 174482, 184646, 246994, 864479, 1358467, 1728958, 2716934, 9509269, 19018538]

約数ペア:

[(1, 19018538), (2, 9509269), (7, 2716934), (11, 1728958), (14, 1358467), (22, 864479), (77, 246994), (103, 184646), (109, 174482), (121, 157178), (154, 123497), (206, 92323), (218, 87241), (242, 78589), (721, 26378), (763, 24926), (847, 22454), (1133, 16786), (1199, 15862), (1442, 13189), (1526, 12463), (1694, 11227), (2266, 8393), (2398, 7931)]