18791868

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{367}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 46738944

約数和(自身を除く): 27947076

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 251, 367, 502, 734, 753, 1004, 1101, 1468, 1506, 2202, 3012, 4267, 4404, 6239, 8534, 12478, 12801, 17068, 18717, 24956, 25602, 37434, 51204, 74868, 92117, 184234, 276351, 368468, 552702, 1105404, 1565989, 3131978, 4697967, 6263956, 9395934, 18791868]

約数ペア:

[(1, 18791868), (2, 9395934), (3, 6263956), (4, 4697967), (6, 3131978), (12, 1565989), (17, 1105404), (34, 552702), (51, 368468), (68, 276351), (102, 184234), (204, 92117), (251, 74868), (367, 51204), (502, 37434), (734, 25602), (753, 24956), (1004, 18717), (1101, 17068), (1468, 12801), (1506, 12478), (2202, 8534), (3012, 6239), (4267, 4404)]