20181593870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{17987}}^1$

素因数の和:18149

約数の個数: 64

約数和(自身を含む): 38815225920

約数和(自身を除く): 18633632050

約数列:

[1, 2, 5, 10, 29, 53, 58, 73, 106, 145, 146, 265, 290, 365, 530, 730, 1537, 2117, 3074, 3869, 4234, 7685, 7738, 10585, 15370, 17987, 19345, 21170, 35974, 38690, 89935, 112201, 179870, 224402, 521623, 561005, 953311, 1043246, 1122010, 1313051, 1906622, 2608115, 2626102, 4766555, 5216230, 6565255, 9533110, 13130510, 27646019, 38078479, 55292038, 69591703, 76156958, 138230095, 139183406, 190392395, 276460190, 347958515, 380784790, 695917030, 2018159387, 4036318774, 10090796935, 20181593870]

約数ペア:

[(1, 20181593870), (2, 10090796935), (5, 4036318774), (10, 2018159387), (29, 695917030), (53, 380784790), (58, 347958515), (73, 276460190), (106, 190392395), (145, 139183406), (146, 138230095), (265, 76156958), (290, 69591703), (365, 55292038), (530, 38078479), (730, 27646019), (1537, 13130510), (2117, 9533110), (3074, 6565255), (3869, 5216230), (4234, 4766555), (7685, 2626102), (7738, 2608115), (10585, 1906622), (15370, 1313051), (17987, 1122010), (19345, 1043246), (21170, 953311), (35974, 561005), (38690, 521623), (89935, 224402), (112201, 179870)]