19240672

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1163}}^1$

素因数の和:1231

約数の個数: 48

約数和(自身を含む): 42239232

約数和(自身を除く): 22998560

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 88, 94, 176, 188, 352, 376, 517, 752, 1034, 1163, 1504, 2068, 2326, 4136, 4652, 8272, 9304, 12793, 16544, 18608, 25586, 37216, 51172, 54661, 102344, 109322, 204688, 218644, 409376, 437288, 601271, 874576, 1202542, 1749152, 2405084, 4810168, 9620336, 19240672]

約数ペア:

[(1, 19240672), (2, 9620336), (4, 4810168), (8, 2405084), (11, 1749152), (16, 1202542), (22, 874576), (32, 601271), (44, 437288), (47, 409376), (88, 218644), (94, 204688), (176, 109322), (188, 102344), (352, 54661), (376, 51172), (517, 37216), (752, 25586), (1034, 18608), (1163, 16544), (1504, 12793), (2068, 9304), (2326, 8272), (4136, 4652)]