18153716

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4027}}^1$

素因数の和:4068

約数の個数: 36

約数和(自身を含む): 38572128

約数和(自身を除く): 20418412

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4027, 4508, 8054, 16108, 28189, 56378, 92621, 112756, 185242, 197323, 370484, 394646, 648347, 789292, 1296694, 2593388, 4538429, 9076858, 18153716]

約数ペア:

[(1, 18153716), (2, 9076858), (4, 4538429), (7, 2593388), (14, 1296694), (23, 789292), (28, 648347), (46, 394646), (49, 370484), (92, 197323), (98, 185242), (161, 112756), (196, 92621), (322, 56378), (644, 28189), (1127, 16108), (2254, 8054), (4027, 4508)]