18966568

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 36869760

約数和(自身を除く): 17903192

約数列:

[1, 2, 4, 8, 47, 73, 94, 146, 188, 292, 376, 584, 691, 1382, 2764, 3431, 5528, 6862, 13724, 27448, 32477, 50443, 64954, 100886, 129908, 201772, 259816, 403544, 2370821, 4741642, 9483284, 18966568]

約数ペア:

[(1, 18966568), (2, 9483284), (4, 4741642), (8, 2370821), (47, 403544), (73, 259816), (94, 201772), (146, 129908), (188, 100886), (292, 64954), (376, 50443), (584, 32477), (691, 27448), (1382, 13724), (2764, 6862), (3431, 5528)]