18664058

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 33225984

約数和(自身を除く): 14561926

約数列:

[1, 2, 7, 14, 37, 74, 137, 259, 263, 274, 518, 526, 959, 1841, 1918, 3682, 5069, 9731, 10138, 19462, 35483, 36031, 68117, 70966, 72062, 136234, 252217, 504434, 1333147, 2666294, 9332029, 18664058]

約数ペア:

[(1, 18664058), (2, 9332029), (7, 2666294), (14, 1333147), (37, 504434), (74, 252217), (137, 136234), (259, 72062), (263, 70966), (274, 68117), (518, 36031), (526, 35483), (959, 19462), (1841, 10138), (1918, 9731), (3682, 5069)]