18220182016

素因数分解:

$2^9\times {\mathrm{97}}^1\times {\mathrm{366869}}^1$

素因数の和:366984

約数の個数: 40

約数和(自身を含む): 36780184980

約数和(自身を除く): 18560002964

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 256, 388, 512, 776, 1552, 3104, 6208, 12416, 24832, 49664, 366869, 733738, 1467476, 2934952, 5869904, 11739808, 23479616, 35586293, 46959232, 71172586, 93918464, 142345172, 187836928, 284690344, 569380688, 1138761376, 2277522752, 4555045504, 9110091008, 18220182016]

約数ペア:

[(1, 18220182016), (2, 9110091008), (4, 4555045504), (8, 2277522752), (16, 1138761376), (32, 569380688), (64, 284690344), (97, 187836928), (128, 142345172), (194, 93918464), (256, 71172586), (388, 46959232), (512, 35586293), (776, 23479616), (1552, 11739808), (3104, 5869904), (6208, 2934952), (12416, 1467476), (24832, 733738), (49664, 366869)]