19872336

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:700

約数の個数: 80

約数和(自身を含む): 57014208

約数和(自身を除く): 37141872

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 61, 66, 88, 122, 132, 176, 183, 244, 264, 366, 488, 528, 617, 671, 732, 976, 1234, 1342, 1464, 1851, 2013, 2468, 2684, 2928, 3702, 4026, 4936, 5368, 6787, 7404, 8052, 9872, 10736, 13574, 14808, 16104, 20361, 27148, 29616, 32208, 37637, 40722, 54296, 75274, 81444, 108592, 112911, 150548, 162888, 225822, 301096, 325776, 414007, 451644, 602192, 828014, 903288, 1242021, 1656028, 1806576, 2484042, 3312056, 4968084, 6624112, 9936168, 19872336]

約数ペア:

[(1, 19872336), (2, 9936168), (3, 6624112), (4, 4968084), (6, 3312056), (8, 2484042), (11, 1806576), (12, 1656028), (16, 1242021), (22, 903288), (24, 828014), (33, 602192), (44, 451644), (48, 414007), (61, 325776), (66, 301096), (88, 225822), (122, 162888), (132, 150548), (176, 112911), (183, 108592), (244, 81444), (264, 75274), (366, 54296), (488, 40722), (528, 37637), (617, 32208), (671, 29616), (732, 27148), (976, 20361), (1234, 16104), (1342, 14808), (1464, 13574), (1851, 10736), (2013, 9872), (2468, 8052), (2684, 7404), (2928, 6787), (3702, 5368), (4026, 4936)]