19603936

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 72

約数和(自身を含む): 43637832

約数和(自身を除く): 24033896

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 83, 88, 121, 122, 166, 176, 242, 244, 332, 352, 484, 488, 664, 671, 913, 968, 976, 1328, 1342, 1826, 1936, 1952, 2656, 2684, 3652, 3872, 5063, 5368, 7304, 7381, 10043, 10126, 10736, 14608, 14762, 20086, 20252, 21472, 29216, 29524, 40172, 40504, 55693, 59048, 80344, 81008, 111386, 118096, 160688, 162016, 222772, 236192, 321376, 445544, 612623, 891088, 1225246, 1782176, 2450492, 4900984, 9801968, 19603936]

約数ペア:

[(1, 19603936), (2, 9801968), (4, 4900984), (8, 2450492), (11, 1782176), (16, 1225246), (22, 891088), (32, 612623), (44, 445544), (61, 321376), (83, 236192), (88, 222772), (121, 162016), (122, 160688), (166, 118096), (176, 111386), (242, 81008), (244, 80344), (332, 59048), (352, 55693), (484, 40504), (488, 40172), (664, 29524), (671, 29216), (913, 21472), (968, 20252), (976, 20086), (1328, 14762), (1342, 14608), (1826, 10736), (1936, 10126), (1952, 10043), (2656, 7381), (2684, 7304), (3652, 5368), (3872, 5063)]