19421776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{677}}^1$

素因数の和:859

約数の個数: 40

約数和(自身を含む): 41363424

約数和(自身を除く): 21941648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 163, 176, 326, 652, 677, 1304, 1354, 1793, 2608, 2708, 3586, 5416, 7172, 7447, 10832, 14344, 14894, 28688, 29788, 59576, 110351, 119152, 220702, 441404, 882808, 1213861, 1765616, 2427722, 4855444, 9710888, 19421776]

約数ペア:

[(1, 19421776), (2, 9710888), (4, 4855444), (8, 2427722), (11, 1765616), (16, 1213861), (22, 882808), (44, 441404), (88, 220702), (163, 119152), (176, 110351), (326, 59576), (652, 29788), (677, 28688), (1304, 14894), (1354, 14344), (1793, 10832), (2608, 7447), (2708, 7172), (3586, 5416)]