18729544

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 36961920

約数和(自身を除く): 18232376

約数列:

[1, 2, 4, 8, 23, 46, 92, 137, 184, 274, 548, 743, 1096, 1486, 2972, 3151, 5944, 6302, 12604, 17089, 25208, 34178, 68356, 101791, 136712, 203582, 407164, 814328, 2341193, 4682386, 9364772, 18729544]

約数ペア:

[(1, 18729544), (2, 9364772), (4, 4682386), (8, 2341193), (23, 814328), (46, 407164), (92, 203582), (137, 136712), (184, 101791), (274, 68356), (548, 34178), (743, 25208), (1096, 17089), (1486, 12604), (2972, 6302), (3151, 5944)]