18715339760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{141697}}^1$

素因数の和:141850

約数の個数: 80

約数和(自身を含む): 47229643776

約数和(自身を除く): 28514304016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2540, 3302, 5080, 6604, 8255, 10160, 13208, 16510, 26416, 33020, 66040, 132080, 141697, 283394, 566788, 708485, 1133576, 1416970, 1842061, 2267152, 2833940, 3684122, 5667880, 7368244, 9210305, 11335760, 14736488, 17995519, 18420610, 29472976, 35991038, 36841220, 71982076, 73682440, 89977595, 143964152, 147364880, 179955190, 233941747, 287928304, 359910380, 467883494, 719820760, 935766988, 1169708735, 1439641520, 1871533976, 2339417470, 3743067952, 4678834940, 9357669880, 18715339760]

約数ペア:

[(1, 18715339760), (2, 9357669880), (4, 4678834940), (5, 3743067952), (8, 2339417470), (10, 1871533976), (13, 1439641520), (16, 1169708735), (20, 935766988), (26, 719820760), (40, 467883494), (52, 359910380), (65, 287928304), (80, 233941747), (104, 179955190), (127, 147364880), (130, 143964152), (208, 89977595), (254, 73682440), (260, 71982076), (508, 36841220), (520, 35991038), (635, 29472976), (1016, 18420610), (1040, 17995519), (1270, 14736488), (1651, 11335760), (2032, 9210305), (2540, 7368244), (3302, 5667880), (5080, 3684122), (6604, 2833940), (8255, 2267152), (10160, 1842061), (13208, 1416970), (16510, 1133576), (26416, 708485), (33020, 566788), (66040, 283394), (132080, 141697)]