18047820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:559

約数の個数: 96

約数和(自身を含む): 58480128

約数和(自身を除く): 40432308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 443, 485, 582, 679, 886, 970, 1164, 1329, 1358, 1455, 1772, 1940, 2037, 2215, 2658, 2716, 2910, 3101, 3395, 4074, 4430, 5316, 5820, 6202, 6645, 6790, 8148, 8860, 9303, 10185, 12404, 13290, 13580, 15505, 18606, 20370, 26580, 31010, 37212, 40740, 42971, 46515, 62020, 85942, 93030, 128913, 171884, 186060, 214855, 257826, 300797, 429710, 515652, 601594, 644565, 859420, 902391, 1203188, 1289130, 1503985, 1804782, 2578260, 3007970, 3609564, 4511955, 6015940, 9023910, 18047820]

約数ペア:

[(1, 18047820), (2, 9023910), (3, 6015940), (4, 4511955), (5, 3609564), (6, 3007970), (7, 2578260), (10, 1804782), (12, 1503985), (14, 1289130), (15, 1203188), (20, 902391), (21, 859420), (28, 644565), (30, 601594), (35, 515652), (42, 429710), (60, 300797), (70, 257826), (84, 214855), (97, 186060), (105, 171884), (140, 128913), (194, 93030), (210, 85942), (291, 62020), (388, 46515), (420, 42971), (443, 40740), (485, 37212), (582, 31010), (679, 26580), (886, 20370), (970, 18606), (1164, 15505), (1329, 13580), (1358, 13290), (1455, 12404), (1772, 10185), (1940, 9303), (2037, 8860), (2215, 8148), (2658, 6790), (2716, 6645), (2910, 6202), (3101, 5820), (3395, 5316), (4074, 4430)]