18597458

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 32992512

約数和(自身を除く): 14395054

約数列:

[1, 2, 11, 22, 31, 37, 62, 67, 74, 121, 134, 242, 341, 407, 682, 737, 814, 1147, 1474, 2077, 2294, 2479, 3751, 4154, 4477, 4958, 7502, 8107, 8954, 12617, 16214, 22847, 25234, 27269, 45694, 54538, 76849, 138787, 153698, 251317, 277574, 299959, 502634, 599918, 845339, 1690678, 9298729, 18597458]

約数ペア:

[(1, 18597458), (2, 9298729), (11, 1690678), (22, 845339), (31, 599918), (37, 502634), (62, 299959), (67, 277574), (74, 251317), (121, 153698), (134, 138787), (242, 76849), (341, 54538), (407, 45694), (682, 27269), (737, 25234), (814, 22847), (1147, 16214), (1474, 12617), (2077, 8954), (2294, 8107), (2479, 7502), (3751, 4958), (4154, 4477)]