18657136

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8389}}^1$

素因数の和:8536

約数の個数: 20

約数和(自身を含む): 36412600

約数和(自身を除く): 17755464

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8389, 16778, 33556, 67112, 134224, 1166071, 2332142, 4664284, 9328568, 18657136]

約数ペア:

[(1, 18657136), (2, 9328568), (4, 4664284), (8, 2332142), (16, 1166071), (139, 134224), (278, 67112), (556, 33556), (1112, 16778), (2224, 8389)]