18504556

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4969}}^1$

素因数の和:5006

約数の個数: 36

約数和(自身を含む): 39660600

約数和(自身を除く): 21156044

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 4969, 9938, 19876, 34783, 69566, 94411, 139132, 188822, 243481, 377644, 486962, 660877, 973924, 1321754, 2643508, 4626139, 9252278, 18504556]

約数ペア:

[(1, 18504556), (2, 9252278), (4, 4626139), (7, 2643508), (14, 1321754), (19, 973924), (28, 660877), (38, 486962), (49, 377644), (76, 243481), (98, 188822), (133, 139132), (196, 94411), (266, 69566), (532, 34783), (931, 19876), (1862, 9938), (3724, 4969)]