18918174

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 43425792

約数和(自身を除く): 24507618

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 61, 66, 74, 111, 122, 127, 183, 222, 254, 366, 381, 407, 671, 762, 814, 1221, 1342, 1397, 2013, 2257, 2442, 2794, 4026, 4191, 4514, 4699, 6771, 7747, 8382, 9398, 13542, 14097, 15494, 23241, 24827, 28194, 46482, 49654, 51689, 74481, 85217, 103378, 148962, 155067, 170434, 255651, 286639, 310134, 511302, 573278, 859917, 1719834, 3153029, 6306058, 9459087, 18918174]

約数ペア:

[(1, 18918174), (2, 9459087), (3, 6306058), (6, 3153029), (11, 1719834), (22, 859917), (33, 573278), (37, 511302), (61, 310134), (66, 286639), (74, 255651), (111, 170434), (122, 155067), (127, 148962), (183, 103378), (222, 85217), (254, 74481), (366, 51689), (381, 49654), (407, 46482), (671, 28194), (762, 24827), (814, 23241), (1221, 15494), (1342, 14097), (1397, 13542), (2013, 9398), (2257, 8382), (2442, 7747), (2794, 6771), (4026, 4699), (4191, 4514)]