16981136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{673}}^1$

素因数の和:783

約数の個数: 40

約数和(自身を含む): 35101920

約数和(自身を除く): 18120784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 83, 152, 166, 304, 332, 664, 673, 1328, 1346, 1577, 2692, 3154, 5384, 6308, 10768, 12616, 12787, 25232, 25574, 51148, 55859, 102296, 111718, 204592, 223436, 446872, 893744, 1061321, 2122642, 4245284, 8490568, 16981136]

約数ペア:

[(1, 16981136), (2, 8490568), (4, 4245284), (8, 2122642), (16, 1061321), (19, 893744), (38, 446872), (76, 223436), (83, 204592), (152, 111718), (166, 102296), (304, 55859), (332, 51148), (664, 25574), (673, 25232), (1328, 12787), (1346, 12616), (1577, 10768), (2692, 6308), (3154, 5384)]