18279088

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:445

約数の個数: 40

約数和(自身を含む): 36961920

約数和(自身を除く): 18682832

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 137, 248, 269, 274, 496, 538, 548, 1076, 1096, 2152, 2192, 4247, 4304, 8339, 8494, 16678, 16988, 33356, 33976, 36853, 66712, 67952, 73706, 133424, 147412, 294824, 589648, 1142443, 2284886, 4569772, 9139544, 18279088]

約数ペア:

[(1, 18279088), (2, 9139544), (4, 4569772), (8, 2284886), (16, 1142443), (31, 589648), (62, 294824), (124, 147412), (137, 133424), (248, 73706), (269, 67952), (274, 66712), (496, 36853), (538, 33976), (548, 33356), (1076, 16988), (1096, 16678), (2152, 8494), (2192, 8339), (4247, 4304)]