19353268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 38719296

約数和(自身を除く): 19366028

約数列:

[1, 2, 4, 11, 22, 43, 44, 53, 86, 106, 172, 193, 212, 386, 473, 583, 772, 946, 1166, 1892, 2123, 2279, 2332, 4246, 4558, 8299, 8492, 9116, 10229, 16598, 20458, 25069, 33196, 40916, 50138, 91289, 100276, 112519, 182578, 225038, 365156, 439847, 450076, 879694, 1759388, 4838317, 9676634, 19353268]

約数ペア:

[(1, 19353268), (2, 9676634), (4, 4838317), (11, 1759388), (22, 879694), (43, 450076), (44, 439847), (53, 365156), (86, 225038), (106, 182578), (172, 112519), (193, 100276), (212, 91289), (386, 50138), (473, 40916), (583, 33196), (772, 25069), (946, 20458), (1166, 16598), (1892, 10229), (2123, 9116), (2279, 8492), (2332, 8299), (4246, 4558)]