18949232

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{751}}^1$

素因数の和:861

約数の個数: 40

約数和(自身を含む): 39164160

約数和(自身を除く): 20214928

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 83, 152, 166, 304, 332, 664, 751, 1328, 1502, 1577, 3004, 3154, 6008, 6308, 12016, 12616, 14269, 25232, 28538, 57076, 62333, 114152, 124666, 228304, 249332, 498664, 997328, 1184327, 2368654, 4737308, 9474616, 18949232]

約数ペア:

[(1, 18949232), (2, 9474616), (4, 4737308), (8, 2368654), (16, 1184327), (19, 997328), (38, 498664), (76, 249332), (83, 228304), (152, 124666), (166, 114152), (304, 62333), (332, 57076), (664, 28538), (751, 25232), (1328, 14269), (1502, 12616), (1577, 12016), (3004, 6308), (3154, 6008)]