18188664

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{601}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 49556640

約数和(自身を除く): 31367976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 97, 104, 156, 194, 291, 312, 388, 582, 601, 776, 1164, 1202, 1261, 1803, 2328, 2404, 2522, 3606, 3783, 4808, 5044, 7212, 7566, 7813, 10088, 14424, 15132, 15626, 23439, 30264, 31252, 46878, 58297, 62504, 93756, 116594, 174891, 187512, 233188, 349782, 466376, 699564, 757861, 1399128, 1515722, 2273583, 3031444, 4547166, 6062888, 9094332, 18188664]

約数ペア:

[(1, 18188664), (2, 9094332), (3, 6062888), (4, 4547166), (6, 3031444), (8, 2273583), (12, 1515722), (13, 1399128), (24, 757861), (26, 699564), (39, 466376), (52, 349782), (78, 233188), (97, 187512), (104, 174891), (156, 116594), (194, 93756), (291, 62504), (312, 58297), (388, 46878), (582, 31252), (601, 30264), (776, 23439), (1164, 15626), (1202, 15132), (1261, 14424), (1803, 10088), (2328, 7813), (2404, 7566), (2522, 7212), (3606, 5044), (3783, 4808)]