18515684481

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1\times {\mathrm{36739}}^1$

素因数の和:37085

約数の個数: 32

約数和(自身を含む): 28611348480

約数和(自身を除く): 10095663999

約数列:

[1, 3, 7, 21, 103, 233, 309, 699, 721, 1631, 2163, 4893, 23999, 36739, 71997, 110217, 167993, 257173, 503979, 771519, 3784117, 8560187, 11352351, 25680561, 26488819, 59921309, 79466457, 179763927, 881699261, 2645097783, 6171894827, 18515684481]

約数ペア:

[(1, 18515684481), (3, 6171894827), (7, 2645097783), (21, 881699261), (103, 179763927), (233, 79466457), (309, 59921309), (699, 26488819), (721, 25680561), (1631, 11352351), (2163, 8560187), (4893, 3784117), (23999, 771519), (36739, 503979), (71997, 257173), (110217, 167993)]