19421358

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 44755200

約数和(自身を除く): 25333842

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 73, 87, 139, 146, 174, 219, 278, 319, 417, 438, 638, 803, 834, 957, 1529, 1606, 1914, 2117, 2409, 3058, 4031, 4234, 4587, 4818, 6351, 8062, 9174, 10147, 12093, 12702, 20294, 23287, 24186, 30441, 44341, 46574, 60882, 69861, 88682, 111617, 133023, 139722, 223234, 266046, 294263, 334851, 588526, 669702, 882789, 1765578, 3236893, 6473786, 9710679, 19421358]

約数ペア:

[(1, 19421358), (2, 9710679), (3, 6473786), (6, 3236893), (11, 1765578), (22, 882789), (29, 669702), (33, 588526), (58, 334851), (66, 294263), (73, 266046), (87, 223234), (139, 139722), (146, 133023), (174, 111617), (219, 88682), (278, 69861), (319, 60882), (417, 46574), (438, 44341), (638, 30441), (803, 24186), (834, 23287), (957, 20294), (1529, 12702), (1606, 12093), (1914, 10147), (2117, 9174), (2409, 8062), (3058, 6351), (4031, 4818), (4234, 4587)]