18789020868

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1\times {\mathrm{13687}}^1$

素因数の和:14656

約数の個数: 48

約数和(自身を含む): 44213335040

約数和(自身を除く): 25424314172

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 823, 834, 1646, 1668, 2469, 3292, 4938, 9876, 13687, 27374, 41061, 54748, 82122, 114397, 164244, 228794, 343191, 457588, 686382, 1372764, 1902493, 3804986, 5707479, 7609972, 11264401, 11414958, 22528802, 22829916, 33793203, 45057604, 67586406, 135172812, 1565751739, 3131503478, 4697255217, 6263006956, 9394510434, 18789020868]

約数ペア:

[(1, 18789020868), (2, 9394510434), (3, 6263006956), (4, 4697255217), (6, 3131503478), (12, 1565751739), (139, 135172812), (278, 67586406), (417, 45057604), (556, 33793203), (823, 22829916), (834, 22528802), (1646, 11414958), (1668, 11264401), (2469, 7609972), (3292, 5707479), (4938, 3804986), (9876, 1902493), (13687, 1372764), (27374, 686382), (41061, 457588), (54748, 343191), (82122, 228794), (114397, 164244)]