19981036373168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1021}}^1\times {\mathrm{832627}}^1$

素因数の和:833782

約数の個数: 80

約数和(自身を含む): 42101395192416

約数和(自身を除く): 22120358819248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 113, 208, 226, 452, 904, 1021, 1469, 1808, 2042, 2938, 4084, 5876, 8168, 11752, 13273, 16336, 23504, 26546, 53092, 106184, 115373, 212368, 230746, 461492, 832627, 922984, 1499849, 1665254, 1845968, 2999698, 3330508, 5999396, 6661016, 10824151, 11998792, 13322032, 21648302, 23997584, 43296604, 86593208, 94086851, 173186416, 188173702, 376347404, 752694808, 850112167, 1223129063, 1505389616, 1700224334, 2446258126, 3400448668, 4892516252, 6800897336, 9785032504, 11051458171, 13601794672, 19570065008, 22102916342, 44205832684, 88411665368, 96062674871, 176823330736, 192125349742, 384250699484, 768501398968, 1248814773323, 1537002797936, 2497629546646, 4995259093292, 9990518186584, 19981036373168]

約数ペア:

[(1, 19981036373168), (2, 9990518186584), (4, 4995259093292), (8, 2497629546646), (13, 1537002797936), (16, 1248814773323), (26, 768501398968), (52, 384250699484), (104, 192125349742), (113, 176823330736), (208, 96062674871), (226, 88411665368), (452, 44205832684), (904, 22102916342), (1021, 19570065008), (1469, 13601794672), (1808, 11051458171), (2042, 9785032504), (2938, 6800897336), (4084, 4892516252), (5876, 3400448668), (8168, 2446258126), (11752, 1700224334), (13273, 1505389616), (16336, 1223129063), (23504, 850112167), (26546, 752694808), (53092, 376347404), (106184, 188173702), (115373, 173186416), (212368, 94086851), (230746, 86593208), (461492, 43296604), (832627, 23997584), (922984, 21648302), (1499849, 13322032), (1665254, 11998792), (1845968, 10824151), (2999698, 6661016), (3330508, 5999396)]