18982568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1979}}^1$

素因数の和:2105

約数の個数: 32

約数和(自身を含む): 39204000

約数和(自身を除く): 20221432

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 1979, 2398, 3958, 4796, 7916, 9592, 15832, 21769, 43538, 87076, 174152, 215711, 431422, 862844, 1725688, 2372821, 4745642, 9491284, 18982568]

約数ペア:

[(1, 18982568), (2, 9491284), (4, 4745642), (8, 2372821), (11, 1725688), (22, 862844), (44, 431422), (88, 215711), (109, 174152), (218, 87076), (436, 43538), (872, 21769), (1199, 15832), (1979, 9592), (2398, 7916), (3958, 4796)]