20184906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 28844214

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 37, 42, 62, 74, 93, 111, 186, 217, 222, 259, 419, 434, 518, 651, 777, 838, 1147, 1257, 1302, 1554, 2294, 2514, 2933, 3441, 5866, 6882, 8029, 8799, 12989, 15503, 16058, 17598, 24087, 25978, 31006, 38967, 46509, 48174, 77934, 90923, 93018, 108521, 181846, 217042, 272769, 325563, 480593, 545538, 651126, 961186, 1441779, 2883558, 3364151, 6728302, 10092453, 20184906]

約数ペア:

[(1, 20184906), (2, 10092453), (3, 6728302), (6, 3364151), (7, 2883558), (14, 1441779), (21, 961186), (31, 651126), (37, 545538), (42, 480593), (62, 325563), (74, 272769), (93, 217042), (111, 181846), (186, 108521), (217, 93018), (222, 90923), (259, 77934), (419, 48174), (434, 46509), (518, 38967), (651, 31006), (777, 25978), (838, 24087), (1147, 17598), (1257, 16058), (1302, 15503), (1554, 12989), (2294, 8799), (2514, 8029), (2933, 6882), (3441, 5866)]