18556078

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 31337280

約数和(自身を除く): 12781202

約数列:

[1, 2, 17, 23, 34, 46, 61, 122, 389, 391, 778, 782, 1037, 1403, 2074, 2806, 6613, 8947, 13226, 17894, 23729, 23851, 47458, 47702, 152099, 304198, 403393, 545767, 806786, 1091534, 9278039, 18556078]

約数ペア:

[(1, 18556078), (2, 9278039), (17, 1091534), (23, 806786), (34, 545767), (46, 403393), (61, 304198), (122, 152099), (389, 47702), (391, 47458), (778, 23851), (782, 23729), (1037, 17894), (1403, 13226), (2074, 8947), (2806, 6613)]