18729252

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 51497600

約数和(自身を除く): 32768348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 43, 54, 74, 86, 108, 109, 111, 129, 148, 172, 218, 222, 258, 327, 333, 387, 436, 444, 516, 654, 666, 774, 981, 999, 1161, 1308, 1332, 1548, 1591, 1962, 1998, 2322, 2943, 3182, 3924, 3996, 4033, 4644, 4687, 4773, 5886, 6364, 8066, 9374, 9546, 11772, 12099, 14061, 14319, 16132, 18748, 19092, 24198, 28122, 28638, 36297, 42183, 42957, 48396, 56244, 57276, 72594, 84366, 85914, 108891, 126549, 145188, 168732, 171828, 173419, 217782, 253098, 346838, 435564, 506196, 520257, 693676, 1040514, 1560771, 2081028, 3121542, 4682313, 6243084, 9364626, 18729252]

約数ペア:

[(1, 18729252), (2, 9364626), (3, 6243084), (4, 4682313), (6, 3121542), (9, 2081028), (12, 1560771), (18, 1040514), (27, 693676), (36, 520257), (37, 506196), (43, 435564), (54, 346838), (74, 253098), (86, 217782), (108, 173419), (109, 171828), (111, 168732), (129, 145188), (148, 126549), (172, 108891), (218, 85914), (222, 84366), (258, 72594), (327, 57276), (333, 56244), (387, 48396), (436, 42957), (444, 42183), (516, 36297), (654, 28638), (666, 28122), (774, 24198), (981, 19092), (999, 18748), (1161, 16132), (1308, 14319), (1332, 14061), (1548, 12099), (1591, 11772), (1962, 9546), (1998, 9374), (2322, 8066), (2943, 6364), (3182, 5886), (3924, 4773), (3996, 4687), (4033, 4644)]