18494228

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 35750400

約数和(自身を除く): 17256172

約数列:

[1, 2, 4, 29, 31, 37, 58, 62, 74, 116, 124, 139, 148, 278, 556, 899, 1073, 1147, 1798, 2146, 2294, 3596, 4031, 4292, 4309, 4588, 5143, 8062, 8618, 10286, 16124, 17236, 20572, 33263, 66526, 124961, 133052, 149147, 159433, 249922, 298294, 318866, 499844, 596588, 637732, 4623557, 9247114, 18494228]

約数ペア:

[(1, 18494228), (2, 9247114), (4, 4623557), (29, 637732), (31, 596588), (37, 499844), (58, 318866), (62, 298294), (74, 249922), (116, 159433), (124, 149147), (139, 133052), (148, 124961), (278, 66526), (556, 33263), (899, 20572), (1073, 17236), (1147, 16124), (1798, 10286), (2146, 8618), (2294, 8062), (3596, 5143), (4031, 4588), (4292, 4309)]