18618180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 60324096

約数和(自身を除く): 41705916

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, 457, 485, 582, 679, 914, 970, 1164, 1358, 1371, 1455, 1828, 1940, 2037, 2285, 2716, 2742, 2910, 3199, 3395, 4074, 4570, 5484, 5820, 6398, 6790, 6855, 8148, 9140, 9597, 10185, 12796, 13580, 13710, 15995, 19194, 20370, 27420, 31990, 38388, 40740, 44329, 47985, 63980, 88658, 95970, 132987, 177316, 191940, 221645, 265974, 310303, 443290, 531948, 620606, 664935, 886580, 930909, 1241212, 1329870, 1551515, 1861818, 2659740, 3103030, 3723636, 4654545, 6206060, 9309090, 18618180]

約数ペア:

[(1, 18618180), (2, 9309090), (3, 6206060), (4, 4654545), (5, 3723636), (6, 3103030), (7, 2659740), (10, 1861818), (12, 1551515), (14, 1329870), (15, 1241212), (20, 930909), (21, 886580), (28, 664935), (30, 620606), (35, 531948), (42, 443290), (60, 310303), (70, 265974), (84, 221645), (97, 191940), (105, 177316), (140, 132987), (194, 95970), (210, 88658), (291, 63980), (388, 47985), (420, 44329), (457, 40740), (485, 38388), (582, 31990), (679, 27420), (914, 20370), (970, 19194), (1164, 15995), (1358, 13710), (1371, 13580), (1455, 12796), (1828, 10185), (1940, 9597), (2037, 9140), (2285, 8148), (2716, 6855), (2742, 6790), (2910, 6398), (3199, 5820), (3395, 5484), (4074, 4570)]